CVE-2025-12506: gitlab
- 1 reference with an unsupported link type was hidden.
Vulnerability summary
CVE-2025-12506 is a medium (CVSS 4.3) vulnerability in gitlab. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.2% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 08-07-2026PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to create a repository where the content displayed in the web interface differed from the content available for download, due to improper handling of Git reference name resolution.
CVSS metrics
5 scores · 5 sources · 1 version- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:NDiffers
- OSV · ChainguardEcosystem advisory · calculated3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 20-09-2026
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
Chainguard93 products
- gitlab-docker-machine-18.11All versions (No fix recorded)
- gitlab-docker-machine-19.0All versions (No fix recorded)
- gitlab-docker-machine-19.1< 19.1.2-r0
- gitlab-docker-machine-fips-18.11All versions (No fix recorded)
- gitlab-docker-machine-fips-19.0All versions (No fix recorded)
Wolfi18 products
- gitlab-docker-machine-18.11All versions (No fix recorded)
- gitlab-docker-machine-19.0All versions (No fix recorded)
- gitlab-docker-machine-19.1< 19.1.2-r0
- gitlab-runner-18.11All versions (No fix recorded)
- gitlab-runner-19.0All versions (No fix recorded)
Gitlab1 product
- gitlab≥ 16.5, < 18.11.7 | ≥ 19.0, < 19.0.4 | ≥ 19.1, < 19.1.2 | ≥ 16.5.0, < 18.11.7 | ≥ 19.0.0, < 19.0.4 | ≥ 19.1.0, < 19.1.2
Ubuntu1 product
- gitlabAll versions (No fix recorded)
4 vendors · 113 products