CVE-2026-86187

WWBN AVideo generates passwords for external-login accounts using rand instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing...

CVE-2026-86187 WWBN AVideo Weak PRNG Password Generation via External Login

WWBN AVideo generates passwords for external-login accounts using rand instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing...

EUVD-2026-72008

WWBN AVideo generates passwords for external-login accounts using rand instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing...

CVE-2026-86187

WWBN AVideo is vulnerable to password recovery via weak PRNG in its external-login account creation process. Passwords are generated using rand() rather than a cryptographically secure generator, yielding only 31-bit integers that are further weakened by unsalted MD5 hashing. An attacker with acc...

CVE-2026-86187 WWBN AVideo Weak PRNG Password Generation via External Login

WWBN AVideo generates passwords for external-login accounts using rand instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing...

CVE-2026-86187 WWBN AVideo Weak PRNG Password Generation via External Login

WWBN AVideo generates passwords for external-login accounts using rand instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing...

EUVD-2026-70698

Medplum is a developer platform that enables development of healthcare apps. Prior to version 5.1.6, the external identity provider callback at GET /auth/external accepts attacker-controlled redirect URIs that only need to start with a registered client redirect URI, rather than matching exactly...

CVE-2026-48911

Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into...

EUVD-2026-53397

Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into...

CVE-2026-48911 Apache Answer: Unauthenticated OAuth Email-Binding Account Takeover via Existing User Confirmation Flow

Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into...

CVE-2026-48911: Missing Authentication for Critical Function

Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into...

Gitea: OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)

Description Gitea's OAuth2 sign-in callback reactivates a deactivated user account IsActive=false when the user signs in through an authentication source that does not issue refresh tokens notably GitHub, and any OIDC/OAuth2 source configured without offlineaccess. PR 38009 added a gate intended ...

PT-2026-63281

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description An issue exists in the OAuth2 sign-in callback that allows a deactivated user account to be reactivated when signing in through an authentication source that does not issue refresh tokens, such...

PT-2026-59372

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 signup handler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoi...

EUVD-2026-33055

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...

CVE-2026-44707

Chatwoot is a customer engagement suite. From 2.14.0 to before 4.13.0, a Pre-Account Takeover Pre-ATO vulnerability existed in Chatwoot's authentication flow. Because email confirmation was not enforced before an account became usable, an attacker could pre-register an email address they did not...

GHSA-3WGJ-C2HG-VM6Q Open WebUI vulnerable to stored XSS via OAuth picture claim stored as SVG data URI in profile_image_url

Summary When a user signs in via OAuth, Open WebUI fetches the picture claim URL, infers a MIME type from the URL extension via mimetypes.guesstype, and stores data:;base64,... as the user's profile image. The OAuth code path does not go through the validateprofileimageurl Pydantic validator that...

CVE-2026-41574 Nhost Vulnerable to Account Takeover via OAuth Email Verification Bypass

Nhost is an open source Firebase alternative with GraphQL. Prior to version 0.49.1, Nhost automatically links an incoming OAuth identity to an existing Nhost account when the email addresses match. This is only safe when the email has been verified by the OAuth provider. Nhost's controller trusts...

EUVD-2026-20561

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4...

DRUPAL-CONTRIB-2026-025

This module enables you to use an external OpenID Connect login provider to authenticate and log in users on your site. If a user signs in with a login provider for the first time on the website, a new Drupal user will be created. The module doesn't sufficiently validate certain fields coming fro...