CVE-2026-46668: SpiceDB: Caveat structures with nested lists can result in improper cache reuse

May 21, 2026 (updated June 11, 2026)

Users are impacted if:

They have a caveat structure with a nested list, e.g.:

References

github.com/advisories/GHSA-mqcf-gqvg-rmhm
github.com/authzed/spicedb/pull/3065
github.com/authzed/spicedb/releases/tag/v1.52.0
github.com/authzed/spicedb/security/advisories/GHSA-mqcf-gqvg-rmhm
nvd.nist.gov/vuln/detail/CVE-2026-46668

Code Behaviors & Features

Detect and mitigate CVE-2026-46668 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →