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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-03-25

Last Modified

2026-03-26

Generated

2026-07-06

AI Q&A

2026-03-25

EPSS Evaluated

2026-07-04

NVD

CVE-2026-2995

EUVD

EUVD-2026-15811

Affected Vendors & Products

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

KEV

CWE ID	Description
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.
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.

Attack-Flow Graph

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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