CVE-2026-87719

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

History

28 Sep 2026, 19:08

Type Values Removed Values Added
References () https://gitlab.com/gitlab-org/gitlab/-/work_items/628160 - () https://gitlab.com/gitlab-org/gitlab/-/work_items/628160 - Broken Link
References () https://hackerone.com/reports/4012289 - () https://hackerone.com/reports/4012289 - Permissions Required
First Time Gitlab
Gitlab gitlab
CPE cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

23 Sep 2026, 22:16

Type Values Removed Values Added
Summary (en) GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup. (en) GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup.

Information

Published : 2026-09-12 03:16

Updated : 2026-09-28 19:08


NVD link : CVE-2026-87719

Mitre link : CVE-2026-87719

CVE.ORG link : CVE-2026-87719


JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-502

Deserialization of Untrusted Data