CVE-2026-7723: PrefectHQ prefect WebSocket Endpoint in missing authentication
Description
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C · CWE-287, CWE-306
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
PrefectHQ: prefect
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f (opens in new tab)
- github.com/PrefectHQ/prefect/ (opens in new tab)
- github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6 (opens in new tab)
- github.com/PrefectHQ/prefect/pull/20372 (opens in new tab)
- github.com/PrefectHQ/prefect/releases/tag/3.6.14 (opens in new tab)
- vuldb.com/submit/807256 (opens in new tab)
- vuldb.com/vuln/360899 (opens in new tab)
- vuldb.com/vuln/360899/cti (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)