Low severity3.3NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026

CVE-2026-121420

Description

SurrealDB from 3.2.0 before 3.3.0 contains a server-side request forgery vulnerability in the FilteringResolver is_private_ip check that fails to unwrap NAT64, 6to4, and Teredo IPv6 addresses. Authenticated users triggering outbound HTTP requests via SurrealQL http functions can use transition addresses embedding private IPv4 targets to reach localhost, internal services, or cloud metadata endpoints.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Surrealdb/Surrealdbllm-fuzzy
Range: 3.2.0 <= x < 3.3.0

Patches

Vulnerability mechanics

References

github.com/surrealdb/surrealdb/security/advisories/GHSA-c9wc-jcr5-8974nvd
www.vulncheck.com/advisories/surrealdb-3.2.0-before-3.3.0-ssrf-guard-bypass-via-ipv6-transition-addressesnvd

News mentions

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cvss	0.214
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000