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Low EPSS: 0.00073% (0.2298 Percentile) EPSS:

SpiceDB calls to LookupResources using LookupResources2 with caveats may return context is missing when it is not

Affected Packages Affected Versions Fixed Versions
go:github.com/authzed/spicedb >= 1.35.0, < 1.37.1 1.37.1
16 Dependent packages
17 Dependent repositories

Affected Version Ranges

All affected versions

1.35.0, 1.35.1, 1.35.2, 1.35.3, 1.36.0, 1.36.1, 1.36.2, 1.36.3, 1.37.0

All unaffected versions

0.0.1, 0.0.2, 0.0.3, 1.0.0, 1.1.0, 1.2.0, 1.3.0, 1.4.0, 1.5.0, 1.6.0, 1.7.0, 1.7.1, 1.8.0, 1.9.0, 1.10.0, 1.11.0, 1.12.0, 1.13.0, 1.14.0, 1.14.1, 1.15.0, 1.16.0, 1.16.1, 1.16.2, 1.17.0, 1.18.0, 1.18.1, 1.19.0, 1.19.1, 1.20.0, 1.21.0, 1.22.0, 1.22.1, 1.22.2, 1.23.0, 1.23.1, 1.24.0, 1.25.0, 1.26.0, 1.27.0, 1.28.0, 1.29.0, 1.29.1, 1.29.2, 1.29.4, 1.29.5, 1.30.0, 1.30.1, 1.31.0, 1.32.0, 1.33.0, 1.33.1, 1.34.0, 1.37.1, 1.37.2, 1.38.0, 1.38.1, 1.39.0, 1.39.1, 1.40.0, 1.40.1, 1.41.0, 1.42.0, 1.42.1, 1.43.0, 1.44.0, 1.44.2, 1.44.3, 1.44.4, 1.45.0, 1.45.1

Impact

Clients that have enabled LookupResources2 and have caveats in the evaluation path for their requests can return a permissionship of CONDITIONAL with context marked as missing, even then the context was supplied.

LookupResources2 is the new default in SpiceDB 1.37.0 and has been opt-in since SpiceDB 1.35.0

Patches

The bug will be released as part of SpiceDB 1.37.1

Workarounds

Disable LookupResources2 via the --enable-experimental-lookup-resources flag by setting it to false

--enable-experimental-lookup-resources=false
References: