Medium severity5.9NVD Advisory· Published Oct 12, 2026
CVE-2022-51020
CVE-2022-51020
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.
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/mher/flower/blob/v2.1.0/flower/api/control.pynvd
- github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51nvd
- github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629nvd
- github.com/mher/flower/issues/1217nvd
- www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpointsnvd
News mentions
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