CVE-2026-47156

MantisBT is an open source bug tracker. Versions 2.28.3 and earlier contain a critical authentication bypass in the SOAP API's mcichecklogin function. Any user knowing any valid cookiestring can authenticate as any other user knowing their username, including the administrator, without knowing th...

CVE-2026-47156: Improper Authentication

MantisBT is an open source bug tracker. Versions 2.28.3 and earlier contain a critical authentication bypass in the SOAP API's mcichecklogin function. Any user knowing any valid cookiestring can authenticate as any other user knowing their username, including the administrator, without knowing th...