Skip to main content
← All vulnerabilities
CVE-2026-7724GHSA-P3PQ-HXMR-VQQRPYSEC-2026-2959

PrefectHQ prefect Webhook/Notification validate_restricted_url toctou

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.6.28.dev2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • PrefectHQ prefect

    3.6.28.dev1

  • prefectPyPI

    fixed in 3.6.28.dev2

  • prefectPyPI

    fixed in 3.6.28.dev2

References 9

VulDB

linear.app

GitHub · PrefectHQ/prefect

gist.github.com