CVE-2025-13761
Modified Modified - Updated After Analysis

BaseFortify

Publication date: 2026-01-09

Last updated on: 2026-06-30

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an unauthenticated user to execute arbitrary code in the context of an authenticated user's browser by convincing the legitimate user to visit a specially crafted webpage.

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Meta Information

Published
2026-01-09
Last Modified
2026-06-30
Generated
2026-07-06
AI Q&A
2026-01-10
EPSS Evaluated
2026-07-05
NVD
CVE-2025-13761
EUVD
EUVD-2026-1770

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 18.6 (inc) to 18.6.3 (exc)
gitlab gitlab_ce From 18.7 (inc) to 18.7.1 (exc)
gitlab gitlab_ce From 8.3 (inc) to 18.5.5 (exc)
gitlab gitlab_ee From 18.6 (inc) to 18.6.3 (exc)
gitlab gitlab_ee From 18.7 (inc) to 18.7.1 (exc)
gitlab gitlab_ee From 8.3 (inc) to 18.5.5 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability in GitLab CE/EE versions before 18.6.3 and 18.7.1 allows an unauthenticated attacker to execute arbitrary code within the context of an authenticated user's browser by tricking the user into visiting a specially crafted webpage.

Impact Analysis

The vulnerability can lead to arbitrary code execution in the context of an authenticated user's browser, potentially allowing attackers to compromise user data, perform unauthorized actions, or escalate privileges within the affected GitLab instance.

Mitigation Strategies

To mitigate this vulnerability, you should immediately upgrade your GitLab CE/EE installations to versions 18.6.3 or later for the 18.6 series, and 18.7.1 or later for the 18.7 series. These patched versions address the vulnerability and include other security and bug fixes. [1]

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