CVE-2026-71424

CVE-2026-71424 is a critical cross-user OAuth token leak in Onyx , an open-source AI platform. The GET /api/mcp/servers and GET /api/mcp/servers/persona/{persona_id} endpoints expose another user's OAuth Authorization header. The root cause is that OnyxTokenStorage.set_tokens and OnyxTokenStorage...

CVE-2026-71424

Onyx is an open-source AI platform. Prior to 3.1.10, 3.2.14, and 4.0.0, Onyx's GET /api/mcp/servers and GET /api/mcp/servers/persona/personaid endpoints expose another user's OAuth Authorization header because OnyxTokenStorage.settokens and OnyxTokenStorage.setclientinfo in...

CVE-2026-71424 Onyx: Cross-user OAuth-token leak via /api/mcp/servers* for per-user MCP servers

Onyx is an open-source AI platform. Prior to 3.1.10, 3.2.14, and 4.0.0, Onyx's GET /api/mcp/servers and GET /api/mcp/servers/persona/personaid endpoints expose another user's OAuth Authorization header because OnyxTokenStorage.settokens and OnyxTokenStorage.setclientinfo in...

CVE-2026-16045

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

CVE-2026-16045 Delegated OAuth tokens could revoke unrelated OAuth application authorizations

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

EUVD-2026-60210

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

CVE-2026-16045

Mattermost 11.7.x (≤11.7.6) and 10.11.x (≤10.11.21) failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions. A malicious OAuth app holding a delegated user token could revoke the user's authorizations or tokens for unrelated integrations via...

CVE-2026-16045

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

CVE-2026-16045 Delegated OAuth tokens could revoke unrelated OAuth application authorizations

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

PT-2026-76670

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other...

PT-2026-76866

Name of the Vulnerable Software and Affected Versions Onyx versions prior to 3.1.10 Onyx versions prior to 3.2.14 Onyx versions prior to 4.0.0 Description An issue exists where the 'GET /api/mcp/servers' and 'GET /api/mcp/servers/persona/persona id' endpoints expose the OAuth Authorization header...

CVE-2026-72887

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken. Passing a callback to the constructor selects OAuth 1.0a. getrequesttoken then revokes that choice when the request token response omits...

CVE-2026-72888

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...

UBUNTU-CVE-2026-72888

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...

UBUNTU-CVE-2026-72887

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken. Passing a callback to the constructor selects OAuth 1.0a. getrequesttoken then revokes that choice when the request token response omits...

CVE-2026-72888

Net::OAuth Perl module before 0.32 has an unbounded process-global cache in smart_require that stores every requested class name (including failed loads) before error checking. The key is derived from the attacker-controlled signature_method request parameter, so a remote client can force the cac...

EUVD-2026-59988

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...

CVE-2026-72888

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...

CVE-2026-72888 Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smart_require

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...

CVE-2026-72888

Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire. smartrequire stores results in a process-global hash with no bound and no eviction, and keeps an entry for every class name it is asked about, including names that failed...