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...

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...

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...

GHSA-M44R-7C5H-M6MJ Medplum: Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage

Summary 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. After a successful external IdP login, the server appends Medplum login and code values to...

CVE-2026-16045: Incorrect Authorization

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-2026-71424: Exposure of Sensitive Information to an Unauthorized Actor

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...

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...

RHEL 10 : curl (RHSA-2026:55450)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55450 advisory. The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including...

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...

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...

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 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...

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...

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 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

The Net::OAuth Perl module, in versions before 0.32 , is vulnerable to a memory exhaustion attack. The root cause lies in the smart_require function, which stores results in a process-global hash without any bounds or eviction. The system preserves an entry for every class name requested, includi...