CVE-2026-28735

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...

PT-2026-42799

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...

NocoDB: OAuth Token Scope Not Enforced at ACL Layer Allows Scope Escalation

Summary The OAuth token strategy attached oauthscope and oauthgrantedresources to the request user, but the ACL middleware never consulted either. An OAuth token issued with a restricted scope e.g. MCP-only therefore inherited the full permissions of the underlying user across all routes; the...