Unauthorized Write Operations in GitLab EE Affecting Specific Versions
CVE-2025-11340

7.7HIGH

Key Information:

Vendor

Gitlab

Status
Vendor
CVE Published:
9 October 2025

What is CVE-2025-11340?

GitLab has addressed a security issue in GitLab EE that impacts specific versions, allowing authenticated users with read-only API tokens to perform unauthorized write operations on vulnerability records. This vulnerability stems from incorrectly scoped GraphQL mutations, which could potentially lead to the exposure of sensitive data and manipulation of records. Users are strongly encouraged to update to the latest versions to mitigate this risk.

Affected Version(s)

GitLab 18.3 < 18.3.4

GitLab 18.4 < 18.4.2

References

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability has been discovered internally by GitLab team member Brian Williams.
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CVE-2025-11340 : Unauthorized Write Operations in GitLab EE Affecting Specific Versions