CVE-2023-2478

Name: CVE-2023-2478
Creator: NVD / NIST
Published: 2023-05-08T21:15:10.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 5.04%

Last modified Jun 17, 2026

CVE-2023-2478 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.9.7, all versions starting from 15.10 before 15.10.6, all versions starting from 15.11 before 15.11.2. Under certain conditions, a malicious unauthorized GitLab user may use a GraphQL endpoint to attach a malicious runner to any project.. EPSS estimates a 5.04% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.9.7, all versions starting from 15.10 before 15.10.6, all versions starting from 15.11 before 15.11.2. Under certain conditions, a malicious unauthorized GitLab user may use a GraphQL endpoint to attach a malicious runner to any project.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

5.04%

91.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.4.0, < 15.9.7
Gitlab	Gitlab	>= 15.10.0, < 15.10.6
Gitlab	Gitlab	>= 15.11.0, < 15.11.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2478.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/409470Broken Link
https://hackerone.com/reports/1969599Permissions Required
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2478.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/409470Broken Link
https://hackerone.com/reports/1969599Permissions Required
https://gitlab.com/gitlab-org/gitlab/-/issues/409470Broken Link

Timeline

Published: May 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2478?

How severe is CVE-2023-2478?

CVE-2023-2478 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 5.04% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2478?

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-2023-2478?

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

Scan your code now

Source: NVD / NIST