CVE-2026-7724

PrefectHQ prefect Webhook/Notification validate_restricted_url toctou

MEDIUM
5
CVSS Score
Published: May 4, 2026 at 02:45 AM UTC
Updated: June 17, 2026 at 11:02 AM UTC
2 products affected across 2 vendorsPrefectPrefect

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Severity
MEDIUM5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 3.6.28.dev2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-367CWE-362

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