CVE-2025-12571 json
Allocation of Resources Without Limits or Throttling in GitLab
published 2025-11-26 11 mo ago modified 2026-10-18 21 d ago also BIT-gitlab-2025-12571 , EUVD-2025-199759
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.
Patch / fix
- bitnami gitlab 18.4.5, 18.5.3, 18.6.1
- GitLab GitLab 18.4.5, 18.5.3, 18.6.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/3362239 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | gitlab | >=17.10.0, <18.4.5 >=18.5.0, <18.5.3 >=18.6.0, <18.6.1 |
18.4.5 18.5.3 18.6.1 |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
- Technology feeds
References
-
hackerone.com
/reports/3362239
technical-description, exploit, permissions-required, web
-
about.gitlab.com
/releases/2025/11/26/patch-release-gitlab-18-6-1-released/
vendor-advisory, web
-
gitlab.com
/gitlab-org/gitlab/-/issues/579168
issue-tracking, permissions-required, broken-link, web
-
nvd.nist.gov
/vuln/detail/CVE-2025-12571
web
Sources
- CVE List CVE-2025-12571
- NVD CVE-2025-12571
- OSV BIT-gitlab-2025-12571
Fencer Vulns 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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.