CVE-2022-51020

Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints

Published Oct 12, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mher
Mher flower
Vendors & Products Mher
Mher flower
Type Values Removed Values Added
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.
Title Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints
First Time appeared Flower Project
Flower Project flower
Weaknesses CWE-352
CPEs cpe:2.3:a:flower_project:flower:*:*:*:*:*:*:*:*
Vendors & Products Flower Project
Flower Project flower
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 15, 2026, 1:49 PM
Reserved
Oct 12, 2026, 7:27 PM
Status
Deferred
Published
Oct 12, 2026, 9:17 PM
Modified
Nov 10, 2026, 12:10 PM