CVE-2026-91972 — Vikunja before 2.6.0 Authentication Bypass via Unthrottled API
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 un…
Published: 2026-09-15 · CVSS: 8.7 · CVSS 4.0
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 attacks without throttling restrictions.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7