CVE-2025-8405

HIGH EPSS 38.2%
Published Dec 11, 20256mo ago · Modified Jun 17, 20262w ago
7.7 CVSS 3.1
High
Find Similar
Published Dec 11, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

Description

GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.

CVSS Details

Base Score
7.7
Exploitability
1.3
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
38.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-116

Affected Products 6

VendorProductVersionRange
gitlabgitlab*≥17.1.0  –  <18.4.6
gitlabgitlab*≥17.1.0  –  <18.4.6
gitlabgitlab*≥18.5.0  –  <18.5.4
gitlabgitlab*≥18.5.0  –  <18.5.4
gitlabgitlab*≥18.6.0  –  <18.6.2
gitlabgitlab*≥18.6.0  –  <18.6.2

References 3

  • about.gitlab.com https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/
    Release NotesVendor Advisory
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/558214
    Broken Link
  • hackerone.com https://hackerone.com/reports/3270940
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.