GitLab 15.6 < 18.7.6 / 18.8 < 18.8.6 / 18.9 < 18.9.2 (CVE-2026-0602)

medium Nessus Plugin ID 301861

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:

- Authentication Bypass Using an Alternate Path or Channel in GitLab (CVE-2026-0602)

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 18.7.6, 18.8.6, 18.9.2 or later.

Plugin Details

Severity: Medium

ID: 301861

File Name: gitlab_cve-2026-0602.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 3/11/2026

Updated: 3/11/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-0602

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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: 3/11/2026

Vulnerability Publication Date: 3/11/2026

Reference Information

CVE: CVE-2026-0602

Detections

Analytics