CVE-2026-55866 SpiceDBChecks involving relations with caveats can result in unconditional permission when conditional permission is expected

SpiceDB is an open source database system for creating and managing security-critical application permissions. From 1.34.0 until 1.54.0, SpiceDB can return PERMISSIONSHIPHASPERMISSION instead of PERMISSIONSHIPCONDITIONALPERMISSION or PERMISSIONSHIPNOPERMISSION because checkRequestToKey and...

CVE-2026-55866

SpiceDB (open-source permissions database), versions 1.34.0 through 1.54.0 , contains a cache-key collision bug in internal/dispatch/keys/computed.go where checkRequestToKey() and checkRequestToKeyWithCanonical() omit CheckHints when building dispatch Check cache keys. Under specific concurrency ...

GO-2026-5133 SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected in github.com/authzed/spicedb

SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected in github.com/authzed/spicedb...

GHSA-4VRG-R928-H5VV SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected

Impact Under concurrency, CheckPermission and CheckBulkPermissions can return PERMISSIONSHIPHASPERMISSION for a resource, permission, subject whose correct answer is PERMISSIONSHIPCONDITIONALPERMISSION. You are impacted if all of the following hold: 1. Your schema has a permission combining...

SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected

Impact Under concurrency, CheckPermission and CheckBulkPermissions can return PERMISSIONSHIPHASPERMISSION for a resource, permission, subject whose correct answer is PERMISSIONSHIPCONDITIONALPERMISSION. You are impacted if all of the following hold: 1. Your schema has a permission combining...