CVE-2025-12506 json
Use of Incorrectly-Resolved Name or Reference in GitLab
published 4mo ago modified last mo. also BIT-gitlab-2025-12506 , EUVD-2025-210442
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami gitlab 18.11.7, 19.0.4, 19.1.2
- GitLab GitLab 18.11.7, 19.0.4, 19.1.2
Is CVE-2025-12506 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4mo ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- hackerone.com https://hackerone.com/reports/3351460 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| OSV | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | gitlab | >=16.5.0, <18.11.7 >=19.0.0, <19.0.4 >=19.1.0, <19.1.2 |
18.11.7 19.0.4 19.1.2 |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-706 Use of Incorrectly-Resolved Name or Reference
- Technology feeds
References
-
hackerone.com
/reports/3351460
technical-description, exploit, permissions-required, web
-
docs.gitlab.com
/releases/patches/patch-release-gitlab-19-1-2-released/
vendor-advisory, advisory
-
gitlab.com
/gitlab-org/gitlab/-/work_items/578988
broken-link, web
-
nvd.nist.gov
/vuln/detail/CVE-2025-12506
web
Sources
- CVE List CVE-2025-12506
- NVD CVE-2025-12506
- OSV BIT-gitlab-2025-12506
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.