PT-2026-31540 · Gitlab · Gitlab Ce/Ee

Maksyche · Published 2026-04-08 · Updated 2026-04-13 · CVE-2026-1516

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions GitLab EE versions 18.0.0 through 18.8.8, 18.9.0 through 18.9.4, and 18.10.0 through 18.10.2

Description GitLab EE versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 contained an issue in Code Quality reports that could allow an authenticated user to leak IP addresses of users viewing the report through specially crafted content.

Recommendations GitLab EE versions 18.0.0 through 18.8.8 should be updated to version 18.8.9 or later. GitLab EE versions 18.9.0 through 18.9.4 should be updated to version 18.9.5 or later. GitLab EE versions 18.10.0 through 18.10.2 should be updated to version 18.10.3 or later.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2026-04884

BIT-GITLAB-2026-1516

CVE-2026-1516

Affected Products

Gitlab Ce/Ee

References · 12

• 🔥 https://hackerone.com/reports/3514461 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-1516 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2026-1516 · Vendor Advisory
• https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1516 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1516 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04884 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-1516 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/587893 · Note
• https://twitter.com/CVEnew/status/2042010546803794384 · Twitter Post
• https://twitter.com/infoflowcloud/status/2042012594752336354 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2042149569119560043 · Twitter Post