{"schema":"threatline.record/2","record":{"id":"CVE-2026-109334","aliases":["GHSA-w5v9-jc5f-5rmc"],"summary":"SurrealDB before 3.3.0 Cross-Tenant Access via Surreal-NS/Surreal-DB Headers and RPC use","details":"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.","categories":["Unclassified"],"product":"surrealdb","vendor":"surrealdb","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109334","source_modified_at":"2026-10-13T16:54:08.346Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"surrealdb","vendor":"surrealdb","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.3.0"},{"version":"3.3.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109334","source_modified_at":"2026-10-13T16:54:08.346Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"surrealdb","ecosystem":null},"version":"3.3.0","basis":"first unaffected version stated in the CVE record"}],"cvss":8.6,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00258,"percentile":0.16486,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:22.448Z","modified_at":"2026-10-13T16:54:08.346Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109334","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T16:54:08.346Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109334","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-w5v9-jc5f-5rmc","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/surrealdb-before-3.3.0-cross-tenant-access-via-surreal-ns-surreal-db-headers-and-rpc-use","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:48:50.291353Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T16:54:08.346Z","content_hash":"62ca4ffafe5a8ddc8f77ddead5f3e7a5fb2d8711cbc44f8967561c87b9e2e31a"}}