GitLab 8.0 < 18.6.6 / 18.7 < 18.7.4 / 18.8 < 18.8.4 (CVE-2026-1458)

medium Nessus Plugin ID 298862

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 8.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an unauthenticated user to cause denial of service by uploading malicious files. (CVE-2026-1458)

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 18.6.6, 18.7.4, 18.8.4 or later.

See Also

http://www.nessus.org/u?932a2d15

https://gitlab.com/gitlab-org/gitlab/-/issues/587698

https://hackerone.com/reports/3517644

http://www.nessus.org/u?4f9ebcb7

Plugin Details

Severity: Medium

ID: 298862

File Name: gitlab_cve-2026-1458.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 2/12/2026

Updated: 2/12/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-1458

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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: 2/11/2026

Vulnerability Publication Date: 2/11/2026

Reference Information

CVE: CVE-2026-1458