Vulnerability Details CVE-2025-64529
SpiceDB is an open source database system for creating and managing security-critical application permissions. In versions prior to 1.45.2, users who use the exclusion operator somewhere in their authorization schema; have configured their SpiceDB server such that `--write-relationships-max-updates-per-call` is bigger than 6500; and issue calls to WriteRelationships with a large enough number of updates that cause the payload to be bigger than what their datastore allows; will receive a successful response from their `WriteRelationships` call, when in reality that call failed, and receive incorrect permission check results, if those relationships had to be read to resolve the relation involving the exclusion. Version 1.45.2 contains a patch for the issue. As a workaround, set `--write-relationships-max-updates-per-call` to `1000`.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.7%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2025-64529
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cpe:2.3:a:authzed:spicedb:0.0.1
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cpe:2.3:a:authzed:spicedb:0.0.2
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cpe:2.3:a:authzed:spicedb:0.0.3
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cpe:2.3:a:authzed:spicedb:1.0.0
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cpe:2.3:a:authzed:spicedb:1.1.0
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cpe:2.3:a:authzed:spicedb:1.10.0
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cpe:2.3:a:authzed:spicedb:1.11.0
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cpe:2.3:a:authzed:spicedb:1.12.0
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cpe:2.3:a:authzed:spicedb:1.13.0
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cpe:2.3:a:authzed:spicedb:1.14.0
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cpe:2.3:a:authzed:spicedb:1.14.1
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cpe:2.3:a:authzed:spicedb:1.15.0
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cpe:2.3:a:authzed:spicedb:1.16.0
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cpe:2.3:a:authzed:spicedb:1.16.1
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cpe:2.3:a:authzed:spicedb:1.16.2
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cpe:2.3:a:authzed:spicedb:1.17.0
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cpe:2.3:a:authzed:spicedb:1.18.0
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cpe:2.3:a:authzed:spicedb:1.18.1
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cpe:2.3:a:authzed:spicedb:1.19.0
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cpe:2.3:a:authzed:spicedb:1.19.1
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cpe:2.3:a:authzed:spicedb:1.2.0
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cpe:2.3:a:authzed:spicedb:1.20.0
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cpe:2.3:a:authzed:spicedb:1.21.0
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cpe:2.3:a:authzed:spicedb:1.22.0
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cpe:2.3:a:authzed:spicedb:1.22.1
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cpe:2.3:a:authzed:spicedb:1.22.2
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cpe:2.3:a:authzed:spicedb:1.23.0
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cpe:2.3:a:authzed:spicedb:1.23.1
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cpe:2.3:a:authzed:spicedb:1.24.0
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cpe:2.3:a:authzed:spicedb:1.25.0
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cpe:2.3:a:authzed:spicedb:1.26.0
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cpe:2.3:a:authzed:spicedb:1.27.0
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cpe:2.3:a:authzed:spicedb:1.28.0
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cpe:2.3:a:authzed:spicedb:1.29.0
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cpe:2.3:a:authzed:spicedb:1.29.1
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cpe:2.3:a:authzed:spicedb:1.29.2
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cpe:2.3:a:authzed:spicedb:1.29.3
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cpe:2.3:a:authzed:spicedb:1.29.5
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cpe:2.3:a:authzed:spicedb:1.3.0
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cpe:2.3:a:authzed:spicedb:1.30.0
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cpe:2.3:a:authzed:spicedb:1.30.1
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cpe:2.3:a:authzed:spicedb:1.31.0
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cpe:2.3:a:authzed:spicedb:1.32.0
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cpe:2.3:a:authzed:spicedb:1.33.0
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cpe:2.3:a:authzed:spicedb:1.33.1
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cpe:2.3:a:authzed:spicedb:1.34.0
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cpe:2.3:a:authzed:spicedb:1.35.0
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cpe:2.3:a:authzed:spicedb:1.35.1
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cpe:2.3:a:authzed:spicedb:1.35.2
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cpe:2.3:a:authzed:spicedb:1.35.3
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cpe:2.3:a:authzed:spicedb:1.36.0
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cpe:2.3:a:authzed:spicedb:1.36.1
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cpe:2.3:a:authzed:spicedb:1.36.2
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cpe:2.3:a:authzed:spicedb:1.36.3
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cpe:2.3:a:authzed:spicedb:1.37.0
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cpe:2.3:a:authzed:spicedb:1.37.1
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cpe:2.3:a:authzed:spicedb:1.37.2
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cpe:2.3:a:authzed:spicedb:1.38.0
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cpe:2.3:a:authzed:spicedb:1.38.1
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cpe:2.3:a:authzed:spicedb:1.39.0
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cpe:2.3:a:authzed:spicedb:1.39.1
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cpe:2.3:a:authzed:spicedb:1.4.0
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cpe:2.3:a:authzed:spicedb:1.40.1
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cpe:2.3:a:authzed:spicedb:1.41.0
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cpe:2.3:a:authzed:spicedb:1.42.0
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cpe:2.3:a:authzed:spicedb:1.42.1
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cpe:2.3:a:authzed:spicedb:1.43.0
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cpe:2.3:a:authzed:spicedb:1.44.0
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cpe:2.3:a:authzed:spicedb:1.44.2
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cpe:2.3:a:authzed:spicedb:1.44.3
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cpe:2.3:a:authzed:spicedb:1.44.4
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cpe:2.3:a:authzed:spicedb:1.45.0
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cpe:2.3:a:authzed:spicedb:1.45.1
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cpe:2.3:a:authzed:spicedb:1.5.0
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cpe:2.3:a:authzed:spicedb:1.6.0
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cpe:2.3:a:authzed:spicedb:1.7.0
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cpe:2.3:a:authzed:spicedb:1.7.1
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cpe:2.3:a:authzed:spicedb:1.8.0
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cpe:2.3:a:authzed:spicedb:1.9.0