Common Weakness Enumeration

CWE-287

Discouraged

Improper Authentication

Abstraction: Class · Status: Draft

API response cwe.mitre.org

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

6346 vulnerabilities reference this CWE, most recent first.

CVE-2026-82466 (GCVE-0-2026-82466)

Vulnerability from cvelistv5 – Published: 2026-08-29 16:35 – Updated: 2026-08-29 16:35
VLAI
Title
Rodauth before 2.46.0 Authentication Bypass via webauthn_login
Summary
Rodauth before 2.46.0 contains an authentication bypass vulnerability in the webauthn_login route that allows logged-in users to authenticate as any other account. Attackers can exploit improper account resolution logic that falls back to session account identifiers instead of validating the credential binding to complete authentication as arbitrary users.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
8.7 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
jeremyevans rodauth Affected: 0 , < 2.46.0 (semver)
Create a notification for this product.
Date Public
2026-08-18 00:00
Credits
Joshua Rogers (AISLE Research)
Show details on NVD website
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CVE-2026-82329 (GCVE-0-2026-82329)

Vulnerability from cvelistv5 – Published: 2026-08-28 18:27 – Updated: 2026-08-28 18:27
VLAI
Title
Potential authentication bypass leading to administrative access in Artifactory
Summary
JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileges.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
jfrog artifactory Affected: 0 , < 7.111.21 (custom)
Affected: 7.117.0 , < 7.117.28 (custom)
Affected: 7.125.0 , < 7.125.20 (custom)
Affected: 7.133.0 , < 7.133.29 (custom)
Affected: 7.146.0 , < 7.146.38 (custom)
Affected: 7.161.0 , < 7.161.20 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2026-81703 (GCVE-0-2026-81703)

Vulnerability from cvelistv5 – Published: 2026-08-27 14:51 – Updated: 2026-08-27 18:21
VLAI
Title
openssl_encrypt before 1.4.9 Authentication Bypass via Unencrypted PQC Key
Summary
openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. Attackers can craft files with unencrypted embedded PQC keys that decrypt under any password, bypassing authentication and producing attacker-chosen plaintext with false integrity verification.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 18:21 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
jahlives openssl_encrypt Affected: 0 , < 1.4.9 (semver)
Unaffected: 1.4.9 (semver)
Create a notification for this product.
Date Public
2026-08-12 00:00
Show details on NVD website
To clipboard 

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CVE-2026-81202 (GCVE-0-2026-81202)

Vulnerability from cvelistv5 – Published: 2026-08-26 21:30 – Updated: 2026-08-27 15:18 X_Freeware
VLAI
Title
itsourcecode Payroll System CRUD Operation ajax.php delete missing authentication
Summary
A flaw has been found in itsourcecode Payroll System 1.0. The impacted element is the function create/read/update/delete of the file ajax.php of the component CRUD Operation Handler. Executing a manipulation of the argument action can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 15:18 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/395909 vdb-entrytechnical-description
https://vuldb.com/vuln/395909/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-81202 third-party-advisory
https://vuldb.com/submit/886151 third-party-advisory
https://vuldb.com/submit/886152 third-party-advisory
https://github.com/microwaveabi/vul/issues/7 exploitissue-tracking
https://itsourcecode.com/ product
Impacted products
Vendor Product Version
itsourcecode Payroll System Affected: 1.0
    cpe:2.3:a:itsourcecode:payroll_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
microwave (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-80192 (GCVE-0-2026-80192)

Vulnerability from cvelistv5 – Published: 2026-08-25 23:19 – Updated: 2026-08-29 11:48
VLAI
Title
better-auth SSO before 1.6.27 Domain Ownership Authentication Bypass
Summary
@better-auth/sso before 1.6.27 (and before 1.4.8 in the 1.4.x line and before 1.7.0-rc.5 in the 1.7 prerelease line) contains two domain-ownership flaws. When domain verification is disabled, automatic organization assignment accepts unverified provider domains, allowing an authenticated organization owner/administrator to register an SSO provider for an arbitrary domain and have users with matching email domains added to the attacker's organization with default member permissions. When domain verification is enabled, a race condition between the verify-domain and update-provider endpoints can apply completed DNS proof to a different domain; combined with implicit account linking, this can link an attacker-controlled identity provider to an existing user account. Exploitation requires the SSO plugin (and, for the org-assignment path, the organization plugin) with the relevant configuration enabled.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 13:43 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
better-auth sso Affected: 1.4.8-beta.1 , < 1.4.8 (semver)
Unaffected: 1.4.8 (semver)
Create a notification for this product.
better-auth sso Affected: 1.4.9 , < 1.6.27 (semver)
Unaffected: 1.6.27 (semver)
Create a notification for this product.
better-auth sso Affected: 1.7.0-beta.0 , < 1.7.0-rc.5 (semver)
Unaffected: 1.7.0-rc.5 (semver)
Create a notification for this product.
Date Public
2026-08-11 00:00
Credits
jaydns ahacker1-securesaml iaohkut-from-NightWolf-Team
Show details on NVD website
To clipboard 

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CVE-2026-79938 (GCVE-0-2026-79938)

Vulnerability from cvelistv5 – Published: 2026-08-26 19:37 – Updated: 2026-08-27 14:33
VLAI
Summary
Dell PowerProtect Cyber Recovery, versions prior to 20.3, contain an Improper Authentication vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:27 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Dell Power Protect Cyber Recovery Affected: 0 , < 20.3.0.0 (semver)
Create a notification for this product.
Dell Cyber Recovery Affected: 0 , < osupdate-15.4.0-19.bin (custom)
Affected: 0 , < osupdate-15.6.1-1.bin (custom)
Create a notification for this product.
Date Public
2026-08-24 18:30
Show details on NVD website
To clipboard 

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CVE-2026-79787 (GCVE-0-2026-79787)

Vulnerability from cvelistv5 – Published: 2026-08-25 18:23 – Updated: 2026-08-25 18:55
VLAI
Title
Alluxio through 2.9.5 S3 REST Proxy Authentication Bypass via Unverified Request Signature
Summary
Alluxio's S3 REST proxy fails to verify AWS Signature Version 4 signatures in its default configuration, allowing unauthenticated attackers to spoof user identity. Attackers can extract usernames from unsigned Authorization headers and impersonate any user, including service accounts, to read, write, and delete arbitrary data.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 18:54 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Alluxio alluxio Affected: 0 , ≤ 2.9.5 (custom)
    cpe:2.3:a:alluxio:alluxio:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-29 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-78885 (GCVE-0-2026-78885)

Vulnerability from cvelistv5 – Published: 2026-08-25 12:15 – Updated: 2026-08-27 14:35
VLAI
Title
liketrek TREK OIDC Service oidcService.ts findOrCreateUser improper authentication
Summary
A vulnerability was identified in liketrek TREK up to 3.0.22. The impacted element is the function findOrCreateUser of the file server/src/services/oidcService.ts of the component OIDC Service. Such manipulation leads to improper authentication. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. Upgrading to version 3.1.0 is sufficient to resolve this issue. Upgrading the affected component is advised.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
5.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
5.6 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 13:22 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
liketrek TREK Affected: 3.0.0
Affected: 3.0.1
Affected: 3.0.2
Affected: 3.0.3
Affected: 3.0.4
Affected: 3.0.5
Affected: 3.0.6
Affected: 3.0.7
Affected: 3.0.8
Affected: 3.0.9
Affected: 3.0.10
Affected: 3.0.11
Affected: 3.0.12
Affected: 3.0.13
Affected: 3.0.14
Affected: 3.0.15
Affected: 3.0.16
Affected: 3.0.17
Affected: 3.0.18
Affected: 3.0.19
Affected: 3.0.20
Affected: 3.0.21
Affected: 3.0.22
Unaffected: 3.1.0
    cpe:2.3:a:liketrek:trek:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ByteJMP (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-78863 (GCVE-0-2026-78863)

Vulnerability from cvelistv5 – Published: 2026-08-25 11:00 – Updated: 2026-08-27 15:06
VLAI
Title
liketrek TREK Pre-2FA mfa_token authService.ts loginUser improper authentication
Summary
A vulnerability was found in liketrek TREK up to 3.0.22. Impacted is the function loginUser of the file server/src/services/authService.ts of the component Pre-2FA mfa_token Handler. The manipulation results in improper authentication. The attack may be performed from remote. Upgrading to version 3.1.0 is recommended to address this issue. Upgrading the affected component is recommended.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 15:05 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
liketrek TREK Affected: 3.0.0
Affected: 3.0.1
Affected: 3.0.2
Affected: 3.0.3
Affected: 3.0.4
Affected: 3.0.5
Affected: 3.0.6
Affected: 3.0.7
Affected: 3.0.8
Affected: 3.0.9
Affected: 3.0.10
Affected: 3.0.11
Affected: 3.0.12
Affected: 3.0.13
Affected: 3.0.14
Affected: 3.0.15
Affected: 3.0.16
Affected: 3.0.17
Affected: 3.0.18
Affected: 3.0.19
Affected: 3.0.20
Affected: 3.0.21
Affected: 3.0.22
Unaffected: 3.1.0
    cpe:2.3:a:liketrek:trek:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ByteJMP (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-78434 (GCVE-0-2026-78434)

Vulnerability from cvelistv5 – Published: 2026-08-24 21:30 – Updated: 2026-08-25 19:14
VLAI
Title
Faveo Helpdesk post-ticket-reply Endpoint FormController.php post_ticket_reply missing authentication
Summary
A flaw has been found in Faveo Helpdesk up to 2.0.3. This impacts the function FormController::post_ticket_reply of the file app/Http/Controllers/Client/helpdesk/FormController.php of the component post-ticket-reply Endpoint. This manipulation causes missing authentication. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 19:14 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/394712 vdb-entrytechnical-description
https://vuldb.com/vuln/394712/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78434 third-party-advisory
https://vuldb.com/submit/886394 third-party-advisory
https://github.com/faveosuite/faveo-helpdesk/issu… exploitissue-tracking
Impacted products
Vendor Product Version
Faveo Helpdesk Affected: 2.0.0
Affected: 2.0.1
Affected: 2.0.2
Affected: 2.0.3
    cpe:2.3:a:faveo:helpdesk:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
geochen (VulDB User) VulDB CNA Team
Show details on NVD website
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Mitigation
Architecture and Design

Strategy: Libraries or Frameworks

Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

CAPEC-114: Authentication Abuse

An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.

CAPEC-115: Authentication Bypass

An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.

CAPEC-151: Identity Spoofing

Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.

CAPEC-194: Fake the Source of Data

An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.

CAPEC-22: Exploiting Trust in Client

An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.

CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data

This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.

CAPEC-593: Session Hijacking

This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.

CAPEC-633: Token Impersonation

An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.

CAPEC-650: Upload a Web Shell to a Web Server

By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.

CAPEC-94: Adversary in the Middle (AiTM)

An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.

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