CVE-2026-7724

MEDIUM

PrefectHQ prefect Webhook/Notification validate_restricted_url toctou

Title source: cna
STIX 2.1

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

References (9)

Core 9
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-360900 | PrefectHQ prefect Webhook/Notification validate_restricted_url toctou
https://vuldb.com/vuln/360900
Signature, Permissions Required signature permissions-required
VDB-360900 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360900/cti
Third Party Advisory third-party-advisory
Submit #807303 | PerfectHQ Perfect >=3.6.26 Time-of-check Time-of-use
https://vuldb.com/submit/807303

Scores

CVSS v3 5.0
EPSS 0.0007
EPSS Percentile 22.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-362 CWE-367
Status published
Products (2)
PrefectHQ/prefect 3.6.28.dev1
PrefectHQ/prefect 3.6.28.dev2
Published May 04, 2026
Tracked Since May 04, 2026