CVE-2026-87719
CRITICAL
NVD
CVSS Score
9.9
Severity
CRITICAL
Published
Sep 12, 2026
Vendor
unknown
Description
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.