Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...

CVE-2026-42571

Pelican is a platform for creating data federations. From versions 7.21.0 to before 7.21.5, 7.22.0 to before 7.22.3, 7.23.0 to before 7.23.3, and 7.24.0 to before 7.24.2, there is a a privilege escalation vulnerability affecting Pelican's Web User Interface WebUI. This attack allows any user...

CVE-2026-42571

Pelican is a platform for creating data federations. From versions 7.21.0 to before 7.21.5, 7.22.0 to before 7.22.3, 7.23.0 to before 7.23.3, and 7.24.0 to before 7.24.2, there is a a privilege escalation vulnerability affecting Pelican's Web User Interface WebUI. This attack allows any user...

CVE-2026-42571 Privilege Escalation Attack affecting Pelican Web UI

Pelican is a platform for creating data federations. From versions 7.21.0 to before 7.21.5, 7.22.0 to before 7.22.3, 7.23.0 to before 7.23.3, and 7.24.0 to before 7.24.2, there is a a privilege escalation vulnerability affecting Pelican's Web User Interface WebUI. This attack allows any user...

Pelican Command Line 安全漏洞

Pelican Command Line is an open-source federal data client and source service tool developed by the Pelican Platform. Security vulnerabilities exist in versions of Pelican Command Line between 7.21.0 and 7.21.5, 7.22.0 and 7.22.3, 7.23.0 and 7.23.3, and 7.24.0 and 7.24.2. These vulnerabilities st...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the OAuth2 autolinking process. An attacker can gain unauthorized access to a victim's account by pre-registering an unverified user with the victim's email address using one OAuth2 provider, and then waiting...

Pelican Web UI Affected by a Privilege Escalation Attack

Background On April 2nd, 2026, a Claude coding agent alerted Pelican PI Brian Bockelman to a privilege escalation vulnerability affecting Pelican's Web User Interface WebUI for various versions between v7.21 and v7.24. Upon further investigation, the Pelican team discovered this attack allows any...

BIT-AUTHENTIK-2025-64521 authentik deactivated service accounts can authenticate to OAuth

authentik is an open-source Identity Provider. Prior to versions 2025.8.5 and 2025.10.2, when authenticating with clientid and clientsecret to an OAuth provider, authentik creates a service account for the provider. In previous authentik versions, authentication for this account was possible even...

CVE-2026-32269

Parse Server vulnerability CVE-2026-32269 affects deployments using the OAuth2 adapter with both appidField and appIds configured. The issue stems from incorrect validation of app IDs where a malformed value is sent to the token introspection endpoint instead of the user’s actual access token, po...

PT-2026-25072

Impact The OAuth2 authentication adapter does not correctly validate app IDs when appidField and appIds are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's...

EUVD-2026-10884

Parse Server OAuth2 authentication adapter account takeover via identity spoofing...

CVE-2026-30967

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.9. and 8.6.22, the OAuth2 authentication adapter, when configured without the useridField option, only verifies that a token is active via the provider's token introspectio...

CVE-2026-30967 Parse Server OAuth2 authentication adapter account takeover via identity spoofing

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.9. and 8.6.22, the OAuth2 authentication adapter, when configured without the useridField option, only verifies that a token is active via the provider's token introspectio...

cn.herodotus.engine:oauth2-authentication-autoconfigure (>=3.5.5.3 <=3.5.6.2), cn.herodotus.engine:oauth2-authorization-server-autoconfigure (>=3.3.0.5 <=3.5.5.2) +2 more potentially affected by CVE-2026-23965 via org.webjars.npm:sm-crypto (=0.3.13)

org.webjars.npm:sm-crypto MAVEN version =0.3.13 is affected by a known vulnerability. The following packages have a transitive dependency on org.webjars.npm:sm-crypto and may be impacted: - cn.herodotus.engine:oauth2-authentication-autoconfigure =3.5.5.3, =3.3.0.5, =3.3.0.5, =3.5.5.3, =3.5.6.2...

CVE-2024-2177

A Cross Window Forgery vulnerability exists within GitLab CE/EE affecting all versions from 16.3 prior to 16.11.5, 17.0 prior to 17.0.3, and 17.1 prior to 17.1.1. This condition allows for an attacker to abuse the OAuth authentication flow via a crafted payload...

GO-2025-4137 authentik allows a deactivated Service account to authenticate to OAuth in goauthentik.io

authentik allows a deactivated Service account to authenticate to OAuth in goauthentik.io. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

GHSA-3MM3-WFPV-Q85G Clerk-js vulnerable to bypass of OAuth authentication flow by manipulating request at OTP verification stage

An issue was discovered in Clerk-js 5.88.0 allowing attackers to bypass the OAuth authentication flow by manipulating the request at the OTP verification stage...

GHSA-XR73-JQ5P-CH8R authentik allows a deactivated Service account to authenticate to OAuth

Summary When authenticating with clientid and clientsecret to an OAuth provider, authentik creates a service account for the provider. In previous authentik versions, authentication for this account was possible even when the account was deactivated. Other permissions are correctly applied and...

CVE-2025-64521 authentik deactivated service accounts can authenticate to OAuth

authentik is an open-source Identity Provider. Prior to versions 2025.8.5 and 2025.10.2, when authenticating with clientid and clientsecret to an OAuth provider, authentik creates a service account for the provider. In previous authentik versions, authentication for this account was possible even...

Siemens RUGGEDCOM ROX, SIMATIC S7-1500 Improper Authentication (CVE-2022-22576)

An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocol...