Vulnerability Report

CVE-2026-2104

Title: Information Disclosure via CSV Export

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2026-2104.

CWE Category CWE-639

Published Date Apr 08, 2026

Modified Date Apr 14, 2026

Exploit Status Not Found

Score 4.3 CVSS v3.1

Exploit Probability (EPSS)

0.02%

Vulnerability Summary

CVE-2026-2104: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.

Impacted Vendors

gitlab 1

jenkins 1

Reference Links

https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ https://gitlab.com/gitlab-org/gitlab/-/work_items/589021 https://hackerone.com/reports/3541476

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.3

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns