{"id":"CVE-2026-109334","published":"2026-10-12T17:17:29.363","lastModified":"2026-10-13T17:17:26.103","description":"SurrealDB before 3.3.0 does not check the caller-selected namespace or database against the level at which a namespace- or database-level system user authenticated, allowing cross-tenant access. An authenticated attacker can set the Surreal-NS/Surreal-DB headers on /sql or call the RPC use method to read, create, modify, and delete rows and read DEFINE PARAM values in another tenant where table PERMISSIONS allow it.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-w5v9-jc5f-5rmc","tags":[]},{"url":"https://www.vulncheck.com/advisories/surrealdb-before-3.3.0-cross-tenant-access-via-surreal-ns-surreal-db-headers-and-rpc-use","tags":[]}],"exploitRefs":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-w5v9-jc5f-5rmc","tags":[]}],"hasPoc":true,"ai":null}