CVE-2026-7724

Description

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validate_restricted_url of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.6.28.dev2 addresses this issue. The identifier of the patch is 7c70ac54a5e101431d83b9f2681ec88d5e0021ed. Upgrading the affected component is advised.

References

https://vuldb.com/vuln/360900/cti

https://vuldb.com/vuln/360900

https://vuldb.com/submit/807303

https://linear.app/prefect/issue/OSS-7874/fix-dns-rebinding-toctou-bypass-in-validate-restricted-url

https://github.com/PrefectHQ/prefect/releases/tag/3.6.28.dev2

https://github.com/PrefectHQ/prefect/pull/21591

https://github.com/PrefectHQ/prefect/commit/7c70ac54a5e101431d83b9f2681ec88d5e0021ed

https://github.com/PrefectHQ/prefect/

https://gist.github.com/nedlir/fa99777e8989414585d08c3625bf044a

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4