Auth bypass in Surrealdb
CVE-2026-109336
SurrealDB before 3.3.0 contains an authorization bypass vulnerability that allows record users to read fields hidden by field-level SELECT permissions through LIVE SELECT projections. Attackers can project restricted fields from the unreduced $after or $before parameters under an alias to receive exact stored values in CREATE, UPDATE, and DELETE notifications.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/surrealdb/surrealdb/security/advisories/GHSA-pm6c-q8rh-92m8 (vendor-advisory)
- www.vulncheck.com/advisories/surrealdb-before-3.3.0-field-permission-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109336?
- CVE-2026-109336 is a medium-severity vulnerability in Surrealdb, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-10-12.
- How severe is CVE-2026-109336?
- Medium severity. CVSS v3 base score is 4.3 out of 10.