CVE-2026-1516
Improper Control of Generation of Code ('Code Injection') in GitLab
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.
INFO
Published Date :
April 8, 2026, 11:16 p.m.
Last Modified :
April 14, 2026, 5:03 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update GitLab EE to version 18.8.9.
- Update GitLab EE to version 18.9.5.
- Update GitLab EE to version 18.10.3.
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-2026-1516.
| URL | Resource |
|---|---|
| https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ | Vendor Advisory Release Notes |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/587893 | Broken Link |
| https://hackerone.com/reports/3514461 | 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-2026-1516 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-2026-1516
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-2026-1516 vulnerability anywhere in the article.
-
Daily CyberSecurity
Security Alert: GitLab Issues Patch for High-Severity Vulnerabilities Across CE and EE
GitLab has released critical security updates for Community Edition (CE) and Enterprise Edition (EE). Versions 18.10.3, 18.9.5, and 18.8.9 address multiple high and medium-severity flaws that could co ... Read more
The following table lists the changes that have been made to the
CVE-2026-1516 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]
Apr. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.9.0 up to (excluding) 18.9.5 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.10.0 up to (excluding) 18.10.3 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.0.0 up to (excluding) 18.8.9 Added Reference Type GitLab Inc.: https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ Types: Release Notes, Vendor Advisory Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/587893 Types: Broken Link Added Reference Type GitLab Inc.: https://hackerone.com/reports/3514461 Types: Permissions Required -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Description GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N Added CWE CWE-94 Added Reference https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/587893 Added Reference https://hackerone.com/reports/3514461