{"id":"CVE-2022-51020","title":"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","summary":"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/wor…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","cwe":["CWE-352"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T21:17:06.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-51020","references":[{"url":"https://github.com/mher/flower","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629","label":"disclosure@vulncheck.com"},{"url":"https://github.com/mher/flower/issues/1217","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpoints","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-12T22:05:40.350Z","slug":"CVE-2022-51020","body":"## Overview\n\nFlower 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}