Detections
Analytics
GitLab 18.2 < 19.3.6 / 19.4 < 19.4.3 / 19.5 < 19.5.1 (CVE-2026-12664)
medium Nessus Plugin ID 370160
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 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with a read_api-scoped token to retrieve a project's incoming email address and create work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field.
(CVE-2026-12664)
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 19.3.6, 19.4.3, 19.5.1 or later.See Also
https://gitlab.com/gitlab-org/gitlab/-/work_items/603510
https://hackerone.com/reports/3735499
Plugin Details
Severity: Medium
ID: 370160
File Name: gitlab_cve-2026-12664.nasl
Version: 1.1
Type: Combined
Agent: unix
Family: CGI abuses
Published: 10/21/2026
Updated: 10/21/2026
Configuration: Enable thorough checks (optional)
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.3
Percentile: 53.52
CVSS v2
Risk Factor: Medium
Base Score: 6.6
Temporal Score: 4.9
Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:N
CVSS Score Source: CVE-2026-12664
CVSS v3
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/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: 10/21/2026
Vulnerability Publication Date: 10/21/2026
Reference Information
CVE: CVE-2026-12664