CVE-2026-2995
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
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.
INFO
Published Date :
March 25, 2026, 5:16 p.m.
Last Modified :
March 26, 2026, 5:42 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update GitLab Enterprise Edition to a fixed version.
- Apply the security patches for your version.
- Verify the fix addresses the vulnerability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2995.
| URL | Resource |
|---|---|
| https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ | Release Notes Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/591065 | Broken Link |
| https://hackerone.com/reports/3564600 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2995 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2995
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2995 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2995 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.9.0 up to (excluding) 18.9.3 *cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:enterprise:*:*:* *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 15.4.0 up to (excluding) 18.8.7 Added Reference Type GitLab Inc.: https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ Types: Release Notes, Vendor Advisory Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/591065 Types: Broken Link Added Reference Type GitLab Inc.: https://hackerone.com/reports/3564600 Types: Permissions Required -
New CVE Received by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N Added CWE CWE-80 Added Reference https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/591065 Added Reference https://hackerone.com/reports/3564600