CVE-2026-7722

What it is

A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-05-04 03:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-26 19:10 UTC Last updatedMost recent change to the record

Details

Published

2026-05-04 03:16 UTC

Last modified

2026-10-26 19:10 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Deferred

Attack profile CVSS 4.0 · 5.5

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None