{"id":"GHSA-pm3x-jrhh-qcr7","summary":"SpiceDB WriteRelationships fails silently if payload is too big","details":"### Impact\n\nUsers who \n1. use the exclusion operator somewhere in their authorization schema\n1. have configured their SpiceDB server such that `--write-relationships-max-updates-per-call` is bigger than 6500\n1. issue calls to WriteRelationships with a large enough number of updates that cause the payload to be bigger than what their datastore allows\n\nwill \n\n1. receive a successful response from their `WriteRelationships` call, when in reality that call failed,\n2. receive incorrect permission check results, if those relationships had to be read to resolve the relation involving the exclusion\n\n### Patches\n\nUpgrade to v.145.2.\n\n### Workarounds\n\nSet `--write-relationships-max-updates-per-call` to `1000`.","aliases":["CVE-2025-64529","GO-2025-4120"],"modified":"2026-05-14T21:04:47.087193Z","published":"2025-11-13T22:58:20Z","database_specific":{"severity":"LOW","github_reviewed":true,"github_reviewed_at":"2025-11-13T22:58:20Z","nvd_published_at":"2025-11-10T23:15:42Z","cwe_ids":["CWE-770"]},"references":[{"type":"WEB","url":"https://github.com/authzed/spicedb/security/advisories/GHSA-pm3x-jrhh-qcr7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64529"},{"type":"WEB","url":"https://github.com/authzed/spicedb/commit/d0cd103a92cc1915636733fb1d1730c2c7f74851"},{"type":"PACKAGE","url":"https://github.com/authzed/spicedb"}],"affected":[{"package":{"name":"github.com/authzed/spicedb","ecosystem":"Go","purl":"pkg:golang/github.com/authzed/spicedb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.45.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-pm3x-jrhh-qcr7/GHSA-pm3x-jrhh-qcr7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U"}]}