GHSA-M4VJ-WR5Q-CMVR Duplicate Advisory: Vikunja: Every /api/v2 pre-auth endpoint is unthrottled on a stock install while its /api/v1 twin is rate limited

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-6rvj-qwjf-3m4q. This link is maintained to preserve external references. Original Description Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login,...

CVE-2026-91972

Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, account enumeration, and password-reset flooding...

CVE-2026-91972

Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, account enumeration, and password-reset flooding...

PT-2026-92091

Name of the Vulnerable Software and Affected Versions Vikunja versions prior to 2.6.0 Description Public authentication endpoints under /api/v2, including login, register, password-reset, and OAuth token routes, do not implement rate limiting. This allows remote unauthenticated attackers to execu...

CVE-2026-91972: Improper Restriction of Excessive Authentication Attempts

Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, account enumeration, and password-reset flooding...