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36 vulnerabilities by Kovah
CVE-2026-45344 (GCVE-0-2026-45344)
Vulnerability from nvd – Published: 2026-05-28 20:41 – Updated: 2026-06-01 18:50
VLAI
Title
LinkAce: Setup database password newline injection enables pre-auth RCE on uninitialized instances
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, the setup database configuration flow on uninitialized LinkAce instances accepts attacker-controlled database credential fields and writes them back into .env without escaping. A remote attacker who can reach the setup endpoints and supply a database they control can inject mail configuration variables and achieve command execution when the application later sends mail. This vulnerability is fixed in 2.5.6.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-45343 (GCVE-0-2026-45343)
Vulnerability from nvd – Published: 2026-05-28 20:45 – Updated: 2026-05-30 02:19
VLAI
Title
LinkAce - Stored XSS via Unsanitized SSO User's Name Rendered in Admin Audit Log Allows Session Hijacking
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains a stored cross-site scripting vulnerability that allows a low-privilege user to execute arbitrary JavaScript in an administrator's browser session. This affects instances configured with SSO/OAuth authentication, which is one of the supported authentication methods in LinkAce. An attacker who sets their OAuth display name to a malicious script and then creates an API token will plant a persistent XSS payload in the audit log. When any admin navigates to /system/audit, the payload executes in the admin's browser context. This enables session cookie theft, CSRF token exfiltration (exposed in the la-app-data meta tag), or any other action the admin can perform. This vulnerability is fixed in 2.5.6.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-45342 (GCVE-0-2026-45342)
Vulnerability from nvd – Published: 2026-05-28 20:47 – Updated: 2026-05-29 14:45
VLAI
Title
LinkAce: IDOR in Update Policies Allows Any Authenticated User to Overwrite Other Users' Links, Lists, Tags, and Notes
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains an Insecure Direct Object Reference vulnerability in the authorization policy layer that allows any authenticated user to modify resources owned by other users. The affected resource types are links, lists, tags, and notes. Both the web UI and the REST API are vulnerable. The root cause is in the update() methods of all four model policies: LinkPolicy, LinkListPolicy, TagPolicy, and NotePolicy. Each delegates to an access-check method (e.g., userCanAccessLink()) that returns true for any resource with non-private visibility, regardless of who owns it. This means any registered user can edit any public or internal resource across the entire instance. The delete() methods in the same policy files correctly require ownership via $link->user->is($user), which confirms that update was intended to be owner-only. The same flaw exists in the API layer through AuthorizesUserApiActions::userCanUpdateModel(), which mirrors the broken visibility-only check instead of the ownership check used by userCanDeleteModel(). Bulk edit operations via BulkEditController are also affected. This vulnerability is fixed in 2.5.6.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-40905 (GCVE-0-2026-40905)
Vulnerability from nvd – Published: 2026-04-21 20:02 – Updated: 2026-04-21 20:35
VLAI
Title
LinkAce: Password Reset Poisoning via X-Forwarded-Host Header Injection Leading to Account Takeover
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerability was identified in the application due to improper trust of user-controlled HTTP headers. The application uses the X-Forwarded-Host header when generating password reset URLs. By manipulating this header during a password reset request, an attacker can inject an attacker-controlled domain into the reset link sent via email. As a result, the victim receives a password reset email containing a malicious link pointing to an attacker-controlled domain. When the victim clicks the link, the password reset token is transmitted to the attacker-controlled server. An attacker can capture this token and use it to reset the victim’s password, leading to full account takeover. This vulnerability is fixed in 2.5.4.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-35516 (GCVE-0-2026-35516)
Vulnerability from nvd – Published: 2026-04-07 15:14 – Updated: 2026-04-09 14:36
VLAI
Title
LinkAce has SSRF via CheckLinksCommand - Link URL Update Bypasses laravel-html-meta Protection
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, LinkRepository::update and CheckLinksCommand::checkLink do not check for private IPs. An authenticated user can read responses from internal services (AWS IMDSv1, cloud metadata, internal APIs) by creating a link with a public URL and then updating it to a private IP. The links:check cron job makes the request server-side without IP filtering. This can expose cloud credentials, internal service data, and network topology. This vulnerability is fixed in 2.5.4.
Severity
5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-33954 (GCVE-0-2026-33954)
Vulnerability from nvd – Published: 2026-03-27 21:23 – Updated: 2026-03-27 21:57
VLAI
Title
LinkAce discloses private notesto unauthorized authenticated users via the web link detail page
Summary
LinkAce is a self-hosted archive to collect website links. In versions prior to 2.5.3, a private note attached to a non-private link can be disclosed to a different authenticated user via the web interface. The API appears to correctly enforce note visibility, but the web link detail page renders notes without applying equivalent visibility filtering. As a result, an authenticated user who is allowed to view another user's `internal` or `public` link can read that user's `private` notes attached to the link. Version 2.5.3 patches the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-33953 (GCVE-0-2026-33953)
Vulnerability from nvd – Published: 2026-03-27 21:22 – Updated: 2026-03-30 15:39
VLAI
Title
LinkAce's SSRF protection can be bypassed via internal hostname resolution in LinkAce
Summary
LinkAce is a self-hosted archive to collect website links. Versions prior to 2.5.3 block direct requests to private IP literals, but still performs server-side requests to internal-only resources when those resources are referenced through an internal hostname. This allows an authenticated user to trigger server-side requests to internal services reachable by the LinkAce server but not directly reachable by an external user. Version 2.5.3 patches the issue.
Severity
8.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-30954 (GCVE-0-2026-30954)
Vulnerability from nvd – Published: 2026-03-10 20:40 – Updated: 2026-03-11 14:30
VLAI
Title
LinkAce has a Cross-User Tag/List Attachment IDOR in processTaxonomy()
Summary
LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing integer IDs.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-30953 (GCVE-0-2026-30953)
Vulnerability from nvd – Published: 2026-03-10 20:38 – Updated: 2026-03-11 14:37
VLAI
Title
LinkAce affected by SSRF via link creation: NoPrivateIpRule not applied to LinkStoreRequest
Summary
LinkAce is a self-hosted archive to collect website links. When a user creates a link via POST /links, the server fetches HTML metadata from the provided URL (LinkRepository::create() calls HtmlMeta::getFromUrl()). The LinkStoreRequest validation rules do not include NoPrivateIpRule, allowing server-side requests to internal network addresses, Docker service hostnames, and cloud metadata endpoints. The project already has a NoPrivateIpRule class (app/Rules/NoPrivateIpRule.php) but it is only applied in FetchController.php (line 99), not in the primary link creation path.
Severity
7.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-27458 (GCVE-0-2026-27458)
Vulnerability from nvd – Published: 2026-02-21 06:54 – Updated: 2026-02-24 18:55
VLAI
Title
LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
Summary
LinkAce is a self-hosted archive to collect website links. Versions 2.4.2 and below have a Stored Cross-site Scripting vulnerability through the Atom feed endpoint for lists (/lists/feed). An authenticated user can inject a CDATA-breaking payload into a list description that escapes the XML CDATA section, injects a native SVG element into the Atom XML document, and executes arbitrary JavaScript directly in the browser when the feed URL is visited. No RSS reader or additional rendering context is required — the browser's native XML parser processes the injected SVG and fires the onload event handler. This vulnerability exists because the lists feed template outputs list descriptions using Blade's raw syntax ({!! !!}) without sanitization inside a CDATA block. The critical detail is that because the output sits inside <![CDATA[...]]>, an attacker can inject the sequence ]]> to close the CDATA section prematurely, then inject arbitrary XML/SVG elements that the browser parses and executes natively as part of the Atom document. This issue has been fixed in version 2.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/eb5ba2abe… | x_refsource_MISC |
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CVE-2025-62722 (GCVE-0-2025-62722)
Vulnerability from nvd – Published: 2025-11-04 22:31 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting (XSS) vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the title field. When a user views the link details page and the shareable links are rendered, the malicious JavaScript executes in their browser. This vulnerability affects multiple sharing services and can be exploited to steal session cookies, perform actions on behalf of users, or deliver malware. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/95d29b71a… | x_refsource_MISC |
| https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-62721 (GCVE-0-2025-62721)
Vulnerability from nvd – Published: 2025-11-04 22:07 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Authorization Bypass Allows Unauthorized Access to All Private Links, Lists, and Tags
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, authenticated RSS feed endpoints in the FeedController class fail to implement proper authorization checks, allowing any authenticated user to access all links, lists, and tags from all users in the system, regardless of their ownership or visibility settings. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/1fef32694… | x_refsource_MISC |
| https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-62720 (GCVE-0-2025-62720)
Vulnerability from nvd – Published: 2025-11-04 22:03 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Data Exfiltration via Export Functions Allow Access to All Users' Private Links
Summary
LinkAce is a self-hosted archive to collect website links. Versions 2.3.1 and below allow any authenticated user to export the entire database of links from all users in the system, including private links that should only be accessible to their owners. The HTML and CSV export functions in the ExportController class retrieve all links without applying any ownership or visibility filtering, effectively bypassing all access controls implemented elsewhere in the application. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/0ba49dba5… | x_refsource_MISC |
| https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-62719 (GCVE-0-2025-62719)
Vulnerability from nvd – Published: 2025-11-04 21:57 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Limited Server-Side Request Forgery (SSRF) in Keyword Fetching Functionality
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.0 and below, the htmlKeywordsFromUrl function in the FetchController class accepts user-provided URLs and makes HTTP requests to them without validating that the destination is not an internal or private network resource. This Server-Side Request Forgery (SSRF) vulnerability allows authenticated attackers to use the application server to perform port scanning and service discovery on internal networks. Practical impact is very limited because the function only extracts content from HTML meta keywords tags, which prevents meaningful data exfiltration from databases, APIs, or cloud metadata endpoints. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/4e0b82216… | x_refsource_MISC |
| http://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-59424 (GCVE-0-2025-59424)
Vulnerability from nvd – Published: 2025-09-18 19:53 – Updated: 2025-09-18 20:05
VLAI
Title
LinkAce Vulnerable to Stored XSS on the Audit Page
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.3.1, a Stored Cross-Site Scripting (XSS) vulnerability has been identified on the /system/audit page. The application fails to properly sanitize the username field before it is rendered in the audit log. An authenticated attacker can set a malicious JavaScript payload as their username. When an action performed by this user is recorded (e.g., generate or revoke an API token), the payload is stored in the database. The script is then executed in the browser of any user, particularly administrators, who views the /system/audit page. This vulnerability is fixed in 2.3.1.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-45342 (GCVE-0-2026-45342)
Vulnerability from cvelistv5 – Published: 2026-05-28 20:47 – Updated: 2026-05-29 14:45
VLAI
Title
LinkAce: IDOR in Update Policies Allows Any Authenticated User to Overwrite Other Users' Links, Lists, Tags, and Notes
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains an Insecure Direct Object Reference vulnerability in the authorization policy layer that allows any authenticated user to modify resources owned by other users. The affected resource types are links, lists, tags, and notes. Both the web UI and the REST API are vulnerable. The root cause is in the update() methods of all four model policies: LinkPolicy, LinkListPolicy, TagPolicy, and NotePolicy. Each delegates to an access-check method (e.g., userCanAccessLink()) that returns true for any resource with non-private visibility, regardless of who owns it. This means any registered user can edit any public or internal resource across the entire instance. The delete() methods in the same policy files correctly require ownership via $link->user->is($user), which confirms that update was intended to be owner-only. The same flaw exists in the API layer through AuthorizesUserApiActions::userCanUpdateModel(), which mirrors the broken visibility-only check instead of the ownership check used by userCanDeleteModel(). Bulk edit operations via BulkEditController are also affected. This vulnerability is fixed in 2.5.6.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-45343 (GCVE-0-2026-45343)
Vulnerability from cvelistv5 – Published: 2026-05-28 20:45 – Updated: 2026-05-30 02:19
VLAI
Title
LinkAce - Stored XSS via Unsanitized SSO User's Name Rendered in Admin Audit Log Allows Session Hijacking
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains a stored cross-site scripting vulnerability that allows a low-privilege user to execute arbitrary JavaScript in an administrator's browser session. This affects instances configured with SSO/OAuth authentication, which is one of the supported authentication methods in LinkAce. An attacker who sets their OAuth display name to a malicious script and then creates an API token will plant a persistent XSS payload in the audit log. When any admin navigates to /system/audit, the payload executes in the admin's browser context. This enables session cookie theft, CSRF token exfiltration (exposed in the la-app-data meta tag), or any other action the admin can perform. This vulnerability is fixed in 2.5.6.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-45344 (GCVE-0-2026-45344)
Vulnerability from cvelistv5 – Published: 2026-05-28 20:41 – Updated: 2026-06-01 18:50
VLAI
Title
LinkAce: Setup database password newline injection enables pre-auth RCE on uninitialized instances
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, the setup database configuration flow on uninitialized LinkAce instances accepts attacker-controlled database credential fields and writes them back into .env without escaping. A remote attacker who can reach the setup endpoints and supply a database they control can inject mail configuration variables and achieve command execution when the application later sends mail. This vulnerability is fixed in 2.5.6.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-40905 (GCVE-0-2026-40905)
Vulnerability from cvelistv5 – Published: 2026-04-21 20:02 – Updated: 2026-04-21 20:35
VLAI
Title
LinkAce: Password Reset Poisoning via X-Forwarded-Host Header Injection Leading to Account Takeover
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerability was identified in the application due to improper trust of user-controlled HTTP headers. The application uses the X-Forwarded-Host header when generating password reset URLs. By manipulating this header during a password reset request, an attacker can inject an attacker-controlled domain into the reset link sent via email. As a result, the victim receives a password reset email containing a malicious link pointing to an attacker-controlled domain. When the victim clicks the link, the password reset token is transmitted to the attacker-controlled server. An attacker can capture this token and use it to reset the victim’s password, leading to full account takeover. This vulnerability is fixed in 2.5.4.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-35516 (GCVE-0-2026-35516)
Vulnerability from cvelistv5 – Published: 2026-04-07 15:14 – Updated: 2026-04-09 14:36
VLAI
Title
LinkAce has SSRF via CheckLinksCommand - Link URL Update Bypasses laravel-html-meta Protection
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, LinkRepository::update and CheckLinksCommand::checkLink do not check for private IPs. An authenticated user can read responses from internal services (AWS IMDSv1, cloud metadata, internal APIs) by creating a link with a public URL and then updating it to a private IP. The links:check cron job makes the request server-side without IP filtering. This can expose cloud credentials, internal service data, and network topology. This vulnerability is fixed in 2.5.4.
Severity
5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-33954 (GCVE-0-2026-33954)
Vulnerability from cvelistv5 – Published: 2026-03-27 21:23 – Updated: 2026-03-27 21:57
VLAI
Title
LinkAce discloses private notesto unauthorized authenticated users via the web link detail page
Summary
LinkAce is a self-hosted archive to collect website links. In versions prior to 2.5.3, a private note attached to a non-private link can be disclosed to a different authenticated user via the web interface. The API appears to correctly enforce note visibility, but the web link detail page renders notes without applying equivalent visibility filtering. As a result, an authenticated user who is allowed to view another user's `internal` or `public` link can read that user's `private` notes attached to the link. Version 2.5.3 patches the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-33953 (GCVE-0-2026-33953)
Vulnerability from cvelistv5 – Published: 2026-03-27 21:22 – Updated: 2026-03-30 15:39
VLAI
Title
LinkAce's SSRF protection can be bypassed via internal hostname resolution in LinkAce
Summary
LinkAce is a self-hosted archive to collect website links. Versions prior to 2.5.3 block direct requests to private IP literals, but still performs server-side requests to internal-only resources when those resources are referenced through an internal hostname. This allows an authenticated user to trigger server-side requests to internal services reachable by the LinkAce server but not directly reachable by an external user. Version 2.5.3 patches the issue.
Severity
8.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-30954 (GCVE-0-2026-30954)
Vulnerability from cvelistv5 – Published: 2026-03-10 20:40 – Updated: 2026-03-11 14:30
VLAI
Title
LinkAce has a Cross-User Tag/List Attachment IDOR in processTaxonomy()
Summary
LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing integer IDs.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-30953 (GCVE-0-2026-30953)
Vulnerability from cvelistv5 – Published: 2026-03-10 20:38 – Updated: 2026-03-11 14:37
VLAI
Title
LinkAce affected by SSRF via link creation: NoPrivateIpRule not applied to LinkStoreRequest
Summary
LinkAce is a self-hosted archive to collect website links. When a user creates a link via POST /links, the server fetches HTML metadata from the provided URL (LinkRepository::create() calls HtmlMeta::getFromUrl()). The LinkStoreRequest validation rules do not include NoPrivateIpRule, allowing server-side requests to internal network addresses, Docker service hostnames, and cloud metadata endpoints. The project already has a NoPrivateIpRule class (app/Rules/NoPrivateIpRule.php) but it is only applied in FetchController.php (line 99), not in the primary link creation path.
Severity
7.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-27458 (GCVE-0-2026-27458)
Vulnerability from cvelistv5 – Published: 2026-02-21 06:54 – Updated: 2026-02-24 18:55
VLAI
Title
LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
Summary
LinkAce is a self-hosted archive to collect website links. Versions 2.4.2 and below have a Stored Cross-site Scripting vulnerability through the Atom feed endpoint for lists (/lists/feed). An authenticated user can inject a CDATA-breaking payload into a list description that escapes the XML CDATA section, injects a native SVG element into the Atom XML document, and executes arbitrary JavaScript directly in the browser when the feed URL is visited. No RSS reader or additional rendering context is required — the browser's native XML parser processes the injected SVG and fires the onload event handler. This vulnerability exists because the lists feed template outputs list descriptions using Blade's raw syntax ({!! !!}) without sanitization inside a CDATA block. The critical detail is that because the output sits inside <![CDATA[...]]>, an attacker can inject the sequence ]]> to close the CDATA section prematurely, then inject arbitrary XML/SVG elements that the browser parses and executes natively as part of the Atom document. This issue has been fixed in version 2.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/eb5ba2abe… | x_refsource_MISC |
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CVE-2025-62722 (GCVE-0-2025-62722)
Vulnerability from cvelistv5 – Published: 2025-11-04 22:31 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting (XSS) vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the title field. When a user views the link details page and the shareable links are rendered, the malicious JavaScript executes in their browser. This vulnerability affects multiple sharing services and can be exploited to steal session cookies, perform actions on behalf of users, or deliver malware. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/95d29b71a… | x_refsource_MISC |
| https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-62721 (GCVE-0-2025-62721)
Vulnerability from cvelistv5 – Published: 2025-11-04 22:07 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Authorization Bypass Allows Unauthorized Access to All Private Links, Lists, and Tags
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, authenticated RSS feed endpoints in the FeedController class fail to implement proper authorization checks, allowing any authenticated user to access all links, lists, and tags from all users in the system, regardless of their ownership or visibility settings. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/1fef32694… | x_refsource_MISC |
| https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 | x_refsource_MISC |
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CVE-2025-62720 (GCVE-0-2025-62720)
Vulnerability from cvelistv5 – Published: 2025-11-04 22:03 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Data Exfiltration via Export Functions Allow Access to All Users' Private Links
Summary
LinkAce is a self-hosted archive to collect website links. Versions 2.3.1 and below allow any authenticated user to export the entire database of links from all users in the system, including private links that should only be accessible to their owners. The HTML and CSV export functions in the ExportController class retrieve all links without applying any ownership or visibility filtering, effectively bypassing all access controls implemented elsewhere in the application. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-62719 (GCVE-0-2025-62719)
Vulnerability from cvelistv5 – Published: 2025-11-04 21:57 – Updated: 2025-11-05 18:48
VLAI
Title
LinkAce: Limited Server-Side Request Forgery (SSRF) in Keyword Fetching Functionality
Summary
LinkAce is a self-hosted archive to collect website links. In versions 2.3.0 and below, the htmlKeywordsFromUrl function in the FetchController class accepts user-provided URLs and makes HTTP requests to them without validating that the destination is not an internal or private network resource. This Server-Side Request Forgery (SSRF) vulnerability allows authenticated attackers to use the application server to perform port scanning and service discovery on internal networks. Practical impact is very limited because the function only extracts content from HTML meta keywords tags, which prevents meaningful data exfiltration from databases, APIs, or cloud metadata endpoints. This issue is fixed in version 2.4.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/4e0b82216… | x_refsource_MISC |
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CVE-2025-59424 (GCVE-0-2025-59424)
Vulnerability from cvelistv5 – Published: 2025-09-18 19:53 – Updated: 2025-09-18 20:05
VLAI
Title
LinkAce Vulnerable to Stored XSS on the Audit Page
Summary
LinkAce is a self-hosted archive to collect website links. Prior to 2.3.1, a Stored Cross-Site Scripting (XSS) vulnerability has been identified on the /system/audit page. The application fails to properly sanitize the username field before it is rendered in the audit log. An authenticated attacker can set a malicious JavaScript payload as their username. When an action performed by this user is recorded (e.g., generate or revoke an API token), the payload is stored in the database. The script is then executed in the browser of any user, particularly administrators, who views the /system/audit page. This vulnerability is fixed in 2.3.1.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/c0d21b974… | x_refsource_MISC |
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