CVE-2026-2995
Received Received - Intake
HTML Injection in GitLab EE Allows Unauthorized Email Modification

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2995
EUVD
EUVD-2026-15811
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
gitlab gitlab From 18.9.0 (inc) to 18.9.3 (exc)
gitlab gitlab 18.10.0
gitlab gitlab From 15.4.0 (inc) to 18.8.7 (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.
CWE-80 The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
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Executive Summary

This vulnerability in GitLab EE affects versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1. It allows an authenticated user to add email addresses to other targeted user accounts. The root cause is improper sanitization of HTML content, which enables this unauthorized modification.

Impact Analysis

The vulnerability can impact you by allowing an authenticated user to add email addresses to other users' accounts without proper authorization. This could lead to unauthorized access or manipulation of user account information, potentially compromising account integrity and user trust.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab EE to a fixed version. The issue is remediated in versions 18.8.7 and later for the 18.8 series, 18.9.3 and later for the 18.9 series, and 18.10.1 and later for the 18.10 series. Ensure that your GitLab EE instance is updated to one of these versions or a later release to prevent exploitation.

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