CVE-2026-54739 Lemmy: Login Endpoint User Enumeration via HTTP Response Code Differential

Lemmy is a link aggregator and forum for the fediverse. Prior to 0.19.19 and 1.0.0-beta.1, Lemmy's login endpoint in crates/api/api/src/localuser/login.rs returns different errors depending on whether the usernameoremail value exists. LocalUserView::findbyemailorname propagates a NotFound respons...

CVE-2026-44255

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AuthenticationManager.checkuser in framework/wazuh/rbac/orm.py performs checkpasswordhash only when the supplied username exists. A nonexistent username returns...

CVE-2026-76216 Vikunja through 2.4.0 Principal-Type Confusion via LinkSharing

Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete vict...

BIT-POSTGRESQL-2026-14672 PostgreSQL observable response discrepancy with non-default scram_iterations provides user existence oracle

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scramiterations count, because the authentication challenge for a...

EUVD-2026-62292

The WPS Bidouille WordPress plugin before 1.33.5 does not have proper authorisation checks in an AJAX action, allowing any authenticated user, such as a subscriber, to retrieve the email addresses of all registered users...

CVE-2026-18231 WP Directory Kit < 1.5.7 - Unauthenticated User Email Disclosure via select_2_ajax_user

The WP Directory Kit WordPress plugin before 1.5.7 does not perform any authorization check on one of its public AJAX actions and returns unfiltered database rows, allowing unauthenticated attackers to retrieve the usernames and email addresses of users holding the WP Directory Kit WordPress plug...

CVE-2026-18231

The WP Directory Kit WordPress plugin (versions before 1.5.7 ) contains a vulnerability where a public AJAX action, specifically select_2_ajax_user, fails to perform adequate authorization checks . This flaw allows unauthenticated attackers to retrieve unfiltered database rows, resulting in the e...

PT-2026-78507

Name of the Vulnerable Software and Affected Versions Wazuh versions 4.0.0 through 4.14.5 Wazuh versions 5.0.0-beta1 and earlier Description The check user function within AuthenticationManager in framework/wazuh/rbac/orm.py only executes check password hash if the provided username exists. Becau...

PT-2026-78398

Name of the Vulnerable Software and Affected Versions Vikunja versions prior to 2.4.1 Description A principal-type confusion occurs when LinkSharing principals with id N are treated as user principals with users.id == N due to three permission checks lacking type guards. This allows attackers...

PT-2026-79981

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scram iterations count, because the authentication challenge for a...

CVE-2026-53959

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959

In 4gaBoards prior to 3.3.9, authenticated users can call GET /api/users or GET /api/users/:id to retrieve every account's email, phone, organization, SSO-linked email fields, and isAdmin flag for any user including administrators. The root cause is that server/api/controllers/users/index.js retu...

CVE-2026-53959 4gaBoards: Mass Information Disclosure (Internal PII Leakage) on /api/users to any authenticated user

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

EUVD-2026-62204

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959 4gaBoards: Mass Information Disclosure (Internal PII Leakage) on /api/users to any authenticated user

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959: Exposure of Sensitive Information to an Unauthorized Actor

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

PT-2026-78241

Name of the Vulnerable Software and Affected Versions 4gaBoards versions prior to 3.3.9 Description An issue exists where any authenticated user can enumerate account information for all users and retrieve arbitrary account details. This occurs because the users/index and users/show actions rely...

CVE-2026-75046

In JetBrains YouTrack before 2026.2.18112 an authenticated user could enumerate accounts via the users search endpoint...

CVE-2026-75046

In JetBrains YouTrack before 2026.2.18112 an authenticated user could enumerate accounts via the users search endpoint...

CVE-2026-19965

A vulnerability was determined in automad up to 2.0.0-beta.32. This vulnerability affects the function requestPasswordResetToken of the file automad/src/server/Controllers/API/UserController.php of the component Password Reset Endpoint. This manipulation of the argument name-or-email causes...