GitLab 18.8 < 18.10.7 / 18.11 < 18.11.4 / 19.0 < 19.0.1 (CVE-2026-4868)

high Nessus Plugin ID 317286

Synopsis

The version of GitLab installed on the remote host is affected by a vulnerability.

Description

The version of GitLab installed on the remote host is affected by a vulnerability, as follows:

- Authorization Bypass Through User-Controlled Key in GitLab (CVE-2026-4868)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to GitLab version 18.10.7, 18.11.4, 19.0.1 or later.

Plugin Details

Severity: High

ID: 317286

File Name: gitlab_cve-2026-4868.nasl

Version: 1.2

Type: Combined

Agent: unix

Family: CGI abuses

Published: 5/28/2026

Updated: 5/29/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 4.9

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-4868

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:gitlab:gitlab

Required KB Items: installed_sw/GitLab

Exploit Ease: No known exploits are available

Patch Publication Date: 5/27/2026

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2026-4868

IAVA: 2026-A-0518

Detections

Analytics