Information Disclosure

github.com/authzed/spicedb is vulnerable to Information Disclosure. The vulnerability is due to the exclusion operator in the authorization schema, where a large payload can cause the WriteRelationships call to fail silently, and incorrect permission check results are returned, allowing attackers...

SpiceDB WriteRelationships fails silently if payload is too big

Impact Users who 1. use the exclusion operator somewhere in their authorization schema 1. have configured their SpiceDB server such that --write-relationships-max-updates-per-call is bigger than 6500 1. issue calls to WriteRelationships with a large enough number of updates that cause the payload...

EUVD-2025-50833

SpiceDB WriteRelationships fails silently if payload is too big...

GHSA-PM3X-JRHH-QCR7 SpiceDB WriteRelationships fails silently if payload is too big

Impact Users who 1. use the exclusion operator somewhere in their authorization schema 1. have configured their SpiceDB server such that --write-relationships-max-updates-per-call is bigger than 6500 1. issue calls to WriteRelationships with a large enough number of updates that cause the payload...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the WriteRelationships function when the exclusion operator is used in the authorization schema and the server is configured with --write-relationships-max-updates-per-call greater...

CVE-2025-64529 SpiceDB's WriteRelationships fails silently if payload is too big

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...

CVE-2025-64529

SpiceDB prior to v1.45.2 is affected when the exclusion operator is used and a per-call payload is large due to --write-relationships-max-updates-per-call > 6500. In this scenario, WriteRelationships can return success for a failed operation and produce incorrect permission results if the affe...

CVE-2025-64529 SpiceDB's WriteRelationships fails silently if payload is too big

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...