CVE-2024-27101: SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in ...

Description

SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in chunking helper causes dispatching to miss elements or panic. Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem. The CheckPermission, BulkCheckPermission, and LookupSubjects API methods are affected. This vulnerability is fixed in 1.29.2.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.46%

36.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Authzed	Spicedb	< 1.29.2

References

Timeline

Published: Mar 1, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-27101?

SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in chunking helper causes dispatching to miss elements or panic. Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem. The CheckPermission, BulkCheckPermission, and LookupSubjects API methods are affected. This vulnerability is fixed in 1.29.2.

How severe is CVE-2024-27101?

CVE-2024-27101 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2024-27101?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.