4.3

CVE-2025-12506: gitlab

CVSS: 4.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-12506CGA-2264-w85c-6ccmCGA-2m2x-2jmr-94m4
Published 08-07-2026Last modified 09-07-2026
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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.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last 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

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

20-09-202620-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected 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

References

7 links