CRITICALVulnerability
CVE-2026-87719
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.
Properties
- severity
- CRITICAL
- score
- 9.9
- cve_id
- CVE-2026-87719
- signal_observed_at
- 2026-09-21T23:07:07+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- published_at
- 2026-09-12T03:16:31.477
- last_modified
- 2026-09-16T19:23:34.623
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Deserialization of Untrusted Data
DESCRIBED_BY (1)
→[Source]NVD
Explore deeper with Ninja Signal's threat intelligence graph