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...

EUVD-2026-62847

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-2026-54739 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-2026-44255 Wazuh: Username Enumeration via Timing Side-Channel

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-2026-44255 Wazuh: Username Enumeration via Timing Side-Channel

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-2026-44255

Wazuh (open-source threat prevention, detection, and response platform) is vulnerable to username enumeration via a timing side-channel in AuthenticationManager.check_user() within framework/wazuh/rbac/orm.py. The function performs an expensive bcrypt hash check only when the supplied username ex...

EUVD-2026-62558

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-2026-44255 Wazuh: Username Enumeration via Timing Side-Channel

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

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...

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-2026-16979

The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin, versions before 3.16.3 , contains an authorization bypass vulnerability. The plugin fails to perform capability checks on two of its AJAX actions , which allows users with at least the Subscriber role to read the titles of private...

CVE-2026-16979 SmartCrawl < 3.16.3 - Subscriber+ Private/Draft Post Title Disclosure and Post Meta Key Enumeration

The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names...

CVE-2026-16979 SmartCrawl < 3.16.3 - Subscriber+ Private/Draft Post Title Disclosure and Post Meta Key Enumeration

The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names...

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-2026-78800

In versions below 2.3.8 of the AD LDAP app for Splunk SOAR, a user who holds a role with permission to run actions could inject crafted input into an Active Directory query to enumerate Active Directory objects, including accounts, groups, and organizational units, read sensitive attributes from...