CVE-2022-51020
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Oct 12, 2026
Vendor
unknown
Description
Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.
References
- https://github.com/mher/flower
- https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27
- https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51
- https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629
- https://github.com/mher/flower/issues/1217