CVE-2026-87719
Last modified
CVE-2026-87719 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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..
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.3.0, < 18.11.12 |
| Gitlab | Gitlab | >= 19.0.0, < 19.0.9 |
| Gitlab | Gitlab | >= 19.1.0, < 19.1.8 |
| Gitlab | Gitlab | >= 19.2.0, < 19.2.6 |
| Gitlab | Gitlab | >= 19.3.0, < 19.3.2 |
References
- https://hackerone.com/reports/4012289Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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