CVE-2025-6945
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-15

Last updated on: 2025-11-20

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments.
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Meta Information
Published
2025-11-15
Last Modified
2025-11-20
Generated
2026-06-16
AI Q&A
2025-11-15
EPSS Evaluated
2026-06-15
NVD
CVE-2025-6945
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
gitlab gitlab From 17.9.0 (inc) to 18.3.6 (exc)
gitlab gitlab From 18.4.0 (inc) to 18.4.4 (exc)
gitlab gitlab From 18.5.0 (inc) to 18.5.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
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Executive Summary

This vulnerability in GitLab EE allows an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments. It affects certain versions before specific patches were released.

Impact Analysis

The vulnerability could lead to leakage of sensitive information from confidential issues, potentially exposing private data to unauthorized users who have authenticated access.

Mitigation Strategies

To mitigate this vulnerability, update GitLab EE to a fixed version: 18.3.6 or later if using 17.8 series, 18.4.4 or later if using 18.4 series, or 18.5.2 or later if using 18.5 series. This will prevent authenticated attackers from leaking sensitive information via hidden prompts in merge request comments.

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