GitLab 18.9 < 18.9.1 (CVE-2026-1725)

medium Nessus Plugin ID 300170

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 reports: Cross-site Scripting issue in Mermaid sandbox impacts GitLab CE/EE Denial of Service issue in container registry impacts GitLab CE/EE Denial of Service issue in Jira events endpoint impacts GitLab CE/EE Regular Expression Denial of Service issue in GitLab merge requests impacts GitLab CE/EE Missing rate limit in Bitbucket Server importer impacts GitLab CE/EE Denial of Service issue in CI trigger API impacts GitLab CE/EE Denial of Service issue in token decoder impacts GitLab CE/EE Improper Access Control issue in Conan package registry impacts GitLab EE Access Control issue in CI job mutation impacts GitLab CE/EE (CVE-2026-1725)

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 18.9.1 or later.

Plugin Details

Severity: Medium

ID: 300170

File Name: gitlab_cve-2026-1725.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 3/1/2026

Updated: 3/1/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-1725

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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: 2/25/2026

Vulnerability Publication Date: 2/25/2026

Reference Information

CVE: CVE-2026-1725

Detections

Analytics