GitLab 12.8 < 19.1.7 / 19.2 < 19.2.5 / 19.3 < 19.3.1 (CVE-2026-77801)

medium Nessus Plugin ID 340724

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 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.
(CVE-2026-77801)

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 19.1.7, 19.2.5, 19.3.1 or later.

See Also

https://gitlab.com/gitlab-org/gitlab/-/work_items/597273

http://www.nessus.org/u?ade817ae

http://www.nessus.org/u?bd56ef44

Plugin Details

Severity: Medium

ID: 340724

File Name: gitlab_cve-2026-77801.nasl

Version: 1.1

Type: Combined

Agent: unix

Family: CGI abuses

Published: 8/26/2026

Updated: 8/26/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

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-2026-77801

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: 8/26/2026

Vulnerability Publication Date: 8/26/2026

Reference Information

CVE: CVE-2026-77801