GitHub Advisoryadvisory · PyPI
GHSA-hvph-5985-r63v Prefect Unauthenticated Event Injection via /api/events/in WebSocket
MEDIUM
Official page ↗
- Aliases
- CVE-2026-7723
- Ecosystem
- PyPI
- Packages
- prefect
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-287
- Reviewed
- 2026-05-22
Affected packages
• PyPI prefect: < 3.6.14 → fixed in 3.6.14
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 0d3ab3c2d3f9f98abfafdf7b9f6d4f8ed3925e40. It is recommended to upgrade the affected component.
Related
Alias · CVE (1)
- CVE-2026-7723 A flaw has been found in PrefectHQ prefect up to 3.6.13. vulnerability
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7723 advisory
- https://github.com/PrefectHQ/prefect/pull/20372 web
- https://github.com/PrefectHQ/prefect/commit/0d3ab3c2d3f9f98abfafdf7b9f6d4f8ed3925e40 web
- https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6 web
- https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f web
- https://github.com/PrefectHQ/prefect package
- https://github.com/PrefectHQ/prefect/releases/tag/3.6.14 web
- https://vuldb.com/submit/807256 web
- https://vuldb.com/vuln/360899 web
- https://vuldb.com/vuln/360899/cti web