What is CVE-2026-121422?

CVE-2026-121422 is a medium-severity vulnerability in Surrealdb, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-11-03.

How severe is CVE-2026-121422?

Medium severity. CVSS v3 base score is 4.1 out of 10.

SSRF in Surrealdb

CVE-2026-121422

SurrealDB from 3.1.0 before 3.3.0 contains a server-side request forgery vulnerability that allows database Owners to bypass port-specific deny-net rules by using JWKS URLs with implicit default ports. Attackers can configure a JWT or record access method whose JWKS URL omits port 80 or 443, causing blind GET requests to explicitly denied internal services.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-11-03 · last modified 2026-11-03.

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.

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

Surrealdb

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/surrealdb/surrealdb/security/advisories/GHSA-h3mp-7wcg-p6vj (vendor-advisory)
www.vulncheck.com/advisories/surrealdb-from-3.1.0-before-3.3.0-ssrf-via-jwks-im… (third-party-advisory)

Frequently asked questions

What is CVE-2026-121422?: CVE-2026-121422 is a medium-severity vulnerability in Surrealdb, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-11-03.
How severe is CVE-2026-121422?: Medium severity. CVSS v3 base score is 4.1 out of 10.