Vulnerability in Gitlab

CVE-2023-2478

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: 0.050 (91.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

  • Gitlab — versions >=15.4, <15.9.7, >=15.10, <15.10.6, >=15.11, <15.11.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-2478?
CVE-2023-2478 is a critical-severity vulnerability in Gitlab, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.6/10. Published 2023-05-08.
How severe is CVE-2023-2478?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2023-2478 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.