CVE-2022-30034: Flower OAuth authentication bypass

June 3, 2022 (updated September 20, 2024)

All versions of Flower, a web UI for the Celery Python RPC framework, as of 05-02-2022 are vulnerable to an OAuth authentication bypass. An attacker could then access the Flower API to discover and invoke arbitrary Celery RPC calls or deny service by shutting down Celery task nodes. A fix was released in version 1.2.0.

References

github.com/advisories/GHSA-q4qm-xhf9-4p8f
github.com/mher/flower
github.com/mher/flower/issues/1217
github.com/mher/flower/pull/1216
github.com/pypa/advisory-database/tree/main/vulns/flower/PYSEC-2022-42973.yaml
nvd.nist.gov/vuln/detail/CVE-2022-30034
tprynn.github.io/2022/05/26/flower-vulns.html

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