CVE-2025-12571

HIGH EPSS 35.4%
Published Nov 26, 20257mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 26, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
35.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-770

Affected Products 6

VendorProductVersionRange
gitlabgitlab*≥17.10.0  –  <18.4.5
gitlabgitlab*≥17.10.0  –  <18.4.5
gitlabgitlab*≥18.5.0  –  <18.5.3
gitlabgitlab*≥18.5.0  –  <18.5.3
gitlabgitlab18.6.0any
gitlabgitlab18.6.0any

References 3

  • about.gitlab.com https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/579168
    Broken Link
  • hackerone.com https://hackerone.com/reports/3362239
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.