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Advisories

Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints

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severity
medium
date
Affecting

  • flower >= 0, < 2.2.0

CWE
  • CWE-352 Cross-Site Request Forgery (CSRF)
CVSS
6.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Credit
Fawwaz Musaffa, tprynn
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.

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