GitLab 19.0 < 19.0.6 / 19.1 < 19.1.4 / 19.2 < 19.2.2 (CVE-2026-15423)

high Nessus Plugin ID 334943

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:

- GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19...
(CVE-2026-15423)

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 19.0.6, 19.1.4, 19.2.2 or later.

Plugin Details

Severity: High

ID: 334943

File Name: gitlab_cve-2026-15423.nasl

Version: 1.1

Type: Combined

Agent: unix

Family: CGI abuses

Published: 8/12/2026

Updated: 8/12/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-15423

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.4

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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: 8/12/2026

Vulnerability Publication Date: 8/12/2026

Reference Information

CVE: CVE-2026-15423

Detections

Analytics