CVE-2023-0518

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-13 · updated 2026-06-17
Weakness: CWE-400

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0 before 15.6.7, all versions starting from 15.7 before 15.7.6, all versions starting from 15.8 before 15.8.1. It was possible to trigger a DoS attack by uploading a malicious Helm chart.

Affected products

GitLab: from 14.0 before 15.6.7; from 15.7 before 15.7.6; from 15.8 before 15.8.1 — fixed in 15.6.7, 15.7.6, 15.8.1

How to fix

Upgrade to a fixed version: GitLab 15.6.7, 15.7.6, 15.8.1. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0518.json
https://gitlab.com/gitlab-org/gitlab/-/issues/383082
https://hackerone.com/reports/1766973
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0518.json
https://gitlab.com/gitlab-org/gitlab/-/issues/383082
https://hackerone.com/reports/1766973

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