CVE-2023-4008

Name: CVE-2023-4008
Creator: NVD / NIST
Published: 2023-08-03T07:15:13.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2023-4008 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to takeover GitLab Pages with unique domain URLs if the random string added was known.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to takeover GitLab Pages with unique domain URLs if the random string added was known.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-708

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.9.0, < 16.0.8
Gitlab	Gitlab	>= 16.1, < 16.1.3
Gitlab	Gitlab	>= 16.2, < 16.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/415942Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/415942Broken Link

Timeline

Published: Aug 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4008?

How severe is CVE-2023-4008?

CVE-2023-4008 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4008?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4008?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST