CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

CVE-2026-27191 (GCVE-0-2026-27191)

Vulnerability from cvelistv5 – Published: 2026-02-21 03:23 – Updated: 2026-02-25 21:24
VLAI
Title
Feathers: Open Redirect in OAuth callback enables account takeover
Summary
Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. Versions 5.0.39 and below the redirect query parameter is appended to the base origin without validation, allowing attackers to steal access tokens via URL authority injection. This leads to full account takeover, as the attacker obtains the victim's access token and can impersonate them. The application constructs the final redirect URL by concatenating the base origin with the user-supplied redirect parameter. This is exploitable when the origins array is configured and origin values do not end with /. An attacker can supply @attacker.com as the redirect value results in https://target.com@attacker.com#access_token=..., where the browser interprets attacker.com as the host, leading to full account takeover. This issue has been fixed in version 5.0.40.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
Impacted products
Vendor Product Version
feathersjs feathers Affected: < 5.0.40
Create a notification for this product.
Show details on NVD website

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CVE-2026-27736 (GCVE-0-2026-27736)

Vulnerability from cvelistv5 – Published: 2026-02-25 16:27 – Updated: 2026-02-26 21:33
VLAI
Title
BigBlueButton has Open Redirect vulnerability in ApiController
Summary
BigBlueButton is an open-source virtual classroom. In versions on the 3.x branch prior to 3.0.20, the string received with errorRedirectUrl lacks validation, using it directly in the respondWithRedirect function leads to an Open Redirect vulnerability. BigBlueButton 3.0.20 patches the issue. No known workarounds are available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
bigbluebutton bigbluebutton Affected: >= 3.0.0, < 3.0.20
Create a notification for this product.
Show details on NVD website

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CVE-2026-27738 (GCVE-0-2026-27738)

Vulnerability from cvelistv5 – Published: 2026-02-25 16:40 – Updated: 2026-02-27 20:46
VLAI
Title
Angular SSR has an Open Redirect via X-Forwarded-Prefix
Summary
The Angular SSR is a server-rise rendering tool for Angular applications. An Open Redirect vulnerability exists in the internal URL processing logic in versions on the 19.x branch prior to 19.2.21, the 20.x branch prior to 20.3.17, and the 21.x branch prior to 21.1.5 and 21.2.0-rc.1. The logic normalizes URL segments by stripping leading slashes; however, it only removes a single leading slash. When an Angular SSR application is deployed behind a proxy that passes the `X-Forwarded-Prefix` header, an attacker can provide a value starting with three slashes. This vulnerability allows attackers to conduct large-scale phishing and SEO hijacking. In order to be vulnerable, the application must use Angular SSR, the application must have routes that perform internal redirects, the infrastructure (Reverse Proxy/CDN) must pass the `X-Forwarded-Prefix` header to the SSR process without sanitization, and the cache must not vary on the `X-Forwarded-Prefix` header. Versions 21.2.0-rc.1, 21.1.5, 20.3.17, and 19.2.21 contain a patch. Until the patch is applied, developers should sanitize the `X-Forwarded-Prefix` header in their`server.ts` before the Angular engine processes the request.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
Impacted products
Vendor Product Version
angular angular-cli Affected: >= 21.2.0-next.2, < 21.2.0-rc.0
Affected: >= 21.0.0-next.0, < 21.1.5
Affected: >= 20.0.0-next.0, < 20.3.17
Affected: >= 19.0.0-next.0, < 19.2.21
Create a notification for this product.
Show details on NVD website

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CVE-2026-27982 (GCVE-0-2026-27982)

Vulnerability from cvelistv5 – Published: 2026-03-05 05:31 – Updated: 2026-03-06 18:19
VLAI
Summary
An open redirect vulnerability exists in django-allauth versions prior to 65.14.1 when SAML IdP initiated SSO is enabled (it is disabled by default), which may allow an attacker to redirect users to an arbitrary external website via a crafted URL.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL redirection to untrusted site ('Open Redirect')
Assigner
Impacted products
Vendor Product Version
allauth django-allauth Affected: prior to 65.14.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-28106 (GCVE-0-2026-28106)

Vulnerability from cvelistv5 – Published: 2026-03-06 11:49 – Updated: 2026-03-09 08:03
VLAI
Title
WordPress B2BKing Premium plugin < 5.4.20 - Open Redirection vulnerability
Summary
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Kings Plugins B2BKing Premium allows Phishing.This issue affects B2BKing Premium: from n/a before 5.4.20.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
Kings Plugins B2BKing Premium Affected: n/a , < 5.4.20 (custom)
Create a notification for this product.
Credits
0xd4rk5id3 | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-28301 (GCVE-0-2026-28301)

Vulnerability from cvelistv5 – Published: 2026-06-09 15:41 – Updated: 2026-06-09 18:40
VLAI
Title
SolarWinds Observability Self-Hosted Open Redirect Vulnerability
Summary
A vulnerability in which an attacker can provide a crafted external URL that may redirect a user to an unintended website.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
Impacted products
Vendor Product Version
SolarWinds Observability Self-Hosted Affected: 2026.1 and previous versions
Create a notification for this product.
Show details on NVD website

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CVE-2026-28413 (GCVE-0-2026-28413)

Vulnerability from cvelistv5 – Published: 2026-03-05 20:16 – Updated: 2026-03-06 17:03
VLAI
Title
Products.isurlinportal: Possible open redirect when using more than 2 forward slashes
Summary
Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
plone Products.isurlinportal Affected: < 4.0.0
Affected: < 3.1.0
Affected: < 2.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-28415 (GCVE-0-2026-28415)

Vulnerability from cvelistv5 – Published: 2026-02-27 21:44 – Updated: 2026-03-02 21:55
VLAI
Title
Gradio has Open Redirect in OAuth Flow
Summary
Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, the _redirect_to_target() function in Gradio's OAuth flow accepts an unvalidated _target_url query parameter, allowing redirection to arbitrary external URLs. This affects the /logout and /login/callback endpoints on Gradio apps with OAuth enabled (i.e. apps running on Hugging Face Spaces with gr.LoginButton). Starting in version 6.6.0, the _target_url parameter is sanitized to only use the path, query, and fragment, stripping any scheme or host.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-284 - Improper Access Control
  • CWE-330 - Use of Insufficiently Random Values
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
gradio-app gradio Affected: < 6.6.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-28512 (GCVE-0-2026-28512)

Vulnerability from cvelistv5 – Published: 2026-03-09 22:17 – Updated: 2026-03-10 14:32
VLAI
Title
Pocket ID: OAuth redirect_uri validation bypass via userinfo/host confusion
Summary
Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. From 2.0.0 to before 2.4.0, a flaw in callback URL validation allowed crafted redirect_uri values containing URL userinfo (@) to bypass legitimate callback pattern checks. If an attacker can trick a user into opening a malicious authorization link, the authorization code may be redirected to an attacker-controlled host. This vulnerability is fixed in 2.4.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
pocket-id pocket-id Affected: >= 2.0.0, < 2.4.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-28681 (GCVE-0-2026-28681)

Vulnerability from cvelistv5 – Published: 2026-03-06 04:35 – Updated: 2026-03-06 16:07
VLAI
Title
IRRd: web UI host header injection allows password reset poisoning via attacker-controlled email links
Summary
Internet Routing Registry daemon version 4 is an IRR database server, processing IRR objects in the RPSL format. From version 4.4.0 to before version 4.4.5 and from version 4.5.0 to before version 4.5.1, an attacker can manipulate the HTTP Host header on a password reset or account creation request. The confirmation link in the resulting email can then point to an attacker-controlled domain. Opening the link in the email is sufficient to pass the token to the attacker, who can then use it on the real IRRD instance to take over the account. A compromised account can then be used to modify RPSL objects maintained by the account's mntners and perform other account actions. If the user had two-factor authentication configured, which is required for users with override access, an attacker is not able to log in, even after successfully resetting the password. This issue has been patched in versions 4.4.5 and 4.5.1.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
Impacted products
Vendor Product Version
irrdnet irrd Affected: >= 4.4.0, < 4.4.5
Affected: >= 4.5.0, < 4.5.1
Create a notification for this product.
Show details on NVD website

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Mitigation ID: MIT-5

Phase: Implementation

Strategy: Input Validation

Description:

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • Use a list of approved URLs or domains to be used for redirection.
Mitigation

Phase: Architecture and Design

Description:

  • Use an intermediate disclaimer page that provides the user with a clear warning that they are leaving the current site. Implement a long timeout before the redirect occurs, or force the user to click on the link. Be careful to avoid XSS problems (CWE-79) when generating the disclaimer page.
Mitigation ID: MIT-21.2

Phase: Architecture and Design

Strategy: Enforcement by Conversion

Description:

  • When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
  • For example, ID 1 could map to "/login.asp" and ID 2 could map to "http://www.example.com/". Features such as the ESAPI AccessReferenceMap [REF-45] provide this capability.
Mitigation

Phase: Architecture and Design

Description:

  • Ensure that no externally-supplied requests are honored by requiring that all redirect requests include a unique nonce generated by the application [REF-483]. Be sure that the nonce is not predictable (CWE-330).
Mitigation ID: MIT-6

Phases: Architecture and Design, Implementation

Strategy: Attack Surface Reduction

Description:

  • Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
  • Many open redirect problems occur because the programmer assumed that certain inputs could not be modified, such as cookies and hidden form fields.
Mitigation ID: MIT-29

Phase: Operation

Strategy: Firewall

Description:

  • Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-178: Cross-Site Flashing

An attacker is able to trick the victim into executing a Flash document that passes commands or calls to a Flash player browser plugin, allowing the attacker to exploit native Flash functionality in the client browser. This attack pattern occurs where an attacker can provide a crafted link to a Flash document (SWF file) which, when followed, will cause additional malicious instructions to be executed. The attacker does not need to serve or control the Flash document. The attack takes advantage of the fact that Flash files can reference external URLs. If variables that serve as URLs that the Flash application references can be controlled through parameters, then by creating a link that includes values for those parameters, an attacker can cause arbitrary content to be referenced and possibly executed by the targeted Flash application.

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