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CVE-2026-46668 authzed CVE debrief

CVE-2026-46668 is a low-severity vulnerability in SpiceDB, an open-source database system, affecting versions from 1.15.0 to before 1.52.0. The issue involves improper cache reuse with caveat structures containing nested lists. This vulnerability was patched in version 1.52.0. The CVSS score for this vulnerability is 2.3, indicating a low severity.

Vendor
authzed
Product
spicedb
CVSS
LOW 2.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-11
Advisory published
2026-06-10
Advisory updated
2026-06-11

Who should care

Users of SpiceDB, especially those using versions between 1.15.0 and 1.52.0, should be aware of this vulnerability and consider upgrading to version 1.52.0 or later to mitigate the issue.

Technical summary

The vulnerability in SpiceDB arises from improper cache reuse when dealing with caveat structures that contain nested lists. This issue was addressed in version 1.52.0.

Defensive priority

Low

Recommended defensive actions

  • Upgrade to SpiceDB version 1.52.0 or later to patch the vulnerability.

Evidence notes

The CVE-2026-46668 vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-46668) and detailed further on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-46668). Additional information can be found in the source references [ref-4](https://github.com/authzed/spicedb/pull/3065), [ref-5](https://github.com/authzed/spicedb/releases/tag/v1.52.0), and [ref-6](https://github.com/authzed/spicedb/security/advisories/GHSA-mqcf-gqvg-rmhm).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46668 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46668

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46668 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46668

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.