CVE-2026-87719
- Source
- https://cve.org/CVERecord?id=CVE-2026-87719
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-87719.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-87719
- Aliases
- Downstream
- Published
- 2026-09-12T02:46:26Z
- Modified
- 2026-10-30T10:30:48Z
- Severity
-
- 9.9 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- Deserialization of Untrusted Data in GitLab
- Details
-
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.
- Database specific
{ "cna_assigner": "GitLab", "cwe_ids": [ "CWE-502" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87719.json", "unresolved_ranges": [ { "extracted_events": [ { "range": [ { "introduced": "18.3" }, { "fixed": "18.11.12" }, { "introduced": "19.0" }, { "fixed": "19.0.9" }, { "introduced": "19.1" }, { "fixed": "19.1.8" }, { "introduced": "19.2" }, { "fixed": "19.2.6" }, { "introduced": "19.3" }, { "fixed": "19.3.2" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" } ] }, { "extracted_events": [ { "range": [ { "introduced": "18.3" }, { "fixed": "18.11.12" }, { "introduced": "19.0" }, { "fixed": "19.0.9" }, { "introduced": "19.1" }, { "fixed": "19.1.8" }, { "introduced": "19.2" }, { "fixed": "19.2.6" }, { "introduced": "19.3" }, { "fixed": "19.3.2" } ], "source": "DESCRIPTION" } ] } ] }- References
Affected packages
Git / gitlab.com/gitlab-org/gitlab
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.com/gitlab-org/gitlab
- Events
-
IntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixed
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "range": [ { "introduced": "18.3.0" }, { "fixed": "18.11.12" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "range": [ { "introduced": "19.0.0" }, { "fixed": "19.0.9" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "range": [ { "introduced": "19.1.0" }, { "fixed": "19.1.8" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "range": [ { "introduced": "19.2.0" }, { "fixed": "19.2.6" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "range": [ { "introduced": "19.3.0" }, { "fixed": "19.3.2" } ], "source": "CPE_RANGE" } ] }