A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 3.6.14 is able to address this issue. This patch is called f8afecadf88ea5f73694dafa3a365b9d8fae1ad6. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 5.5NVD modified 2026-10-26 19:10
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 8
- https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f
- https://github.com/PrefectHQ/prefect/
- https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6
- https://github.com/PrefectHQ/prefect/pull/20372
- https://github.com/PrefectHQ/prefect/releases/tag/3.6.14
- https://vuldb.com/submit/807256
- https://vuldb.com/vuln/360899
- https://vuldb.com/vuln/360899/cti