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CVE-2026-87719

Deserialization of Untrusted Data in GitLab PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
GitLab / GitLabaffected 18.3 before 18.11.12; affected 19.0 before 19.0.9; affected 19.1 before 19.1.8; affected 19.2 before 19.2.6; affected 19.3 before 19.3.2

CWE

CWE-502

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.