Information disclosure in Surrealdb
CVE-2026-63748
SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with UPDATE access can read field values hidden by field-level SELECT permissions through error messages. Attackers can trigger arithmetic or extend operations on hidden fields to embed raw operand values in error responses, bypassing field-level access controls.
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
EPSS: 0.003 (24.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Surrealdb — versions 0, 3.1.0
Weakness classification (CWE)
References
- github.com/surrealdb/surrealdb/security/advisories/GHSA-6g9v-7gq3-p2c6 (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/surrealdb-before-information-disclosure-via-error-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-63748?
- CVE-2026-63748 is a medium-severity vulnerability in Surrealdb, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2026-07-20.
- How severe is CVE-2026-63748?
- Medium severity. CVSS v3 base score is 4.3 out of 10.