SSRF in Surrealdb
CVE-2026-63736
SurrealDB before 3.2.0 contains a server-side request forgery vulnerability in the JWKS fetcher that validates only the URL hostname string against allow-lists without checking resolved IP addresses. An Owner role attacker can point an access method at an allow-listed hostname resolving to private or loopback addresses, causing the server to issue GET requests to internal addresses that would be blocked by direct URL.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.
Affected products
- Surrealdb — versions 0, 3.2.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-63736?
- CVE-2026-63736 is a medium-severity vulnerability in Surrealdb, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-07-20.
- How severe is CVE-2026-63736?
- Medium severity. CVSS v3 base score is 4.1 out of 10.