CVE-2026-5954: gitlab Incorrect Authorization
Vulnerability summary
CVE-2026-5954 is a medium (CVSS 4.2) Incorrect Authorization vulnerability in gitlab. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 13-10-2026Last modifiedVulnerability information updated.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed a user to download package files from a public project due to improper authorization checks.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA4.2MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated4.2MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Chainguard81 products
- gitlab-docker-machine-19.2All versions (No fix recorded)
- gitlab-docker-machine-19.3All versions (No fix recorded)
- gitlab-docker-machine-19.4All versions (No fix recorded)
- gitlab-docker-machine-fips-19.2All versions (No fix recorded)
- gitlab-docker-machine-fips-19.3All versions (No fix recorded)
Wolfi12 products
- gitlab-docker-machine-19.2All versions (No fix recorded)
- gitlab-docker-machine-19.3All versions (No fix recorded)
- gitlab-runner-19.2All versions (No fix recorded)
- gitlab-runner-19.3All versions (No fix recorded)
- gitlab-runner-helper-19.2All versions (No fix recorded)
Gitlab1 product
- gitlab≥ 15.1, < 19.2.8 | ≥ 19.3, < 19.3.5 | ≥ 19.4, < 19.4.2 | ≥ 15.1.0, < 19.2.8 | ≥ 19.3.0, < 19.3.5 | ≥ 19.4.0, < 19.4.2
Ubuntu1 product
- gitlabAll versions (No fix recorded)
4 vendors · 95 products
References
5 links- docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Release NotesVendor AdvisoryREPORT