CVE-2026-121420
Published:November 03, 2026
Updated:November 04, 2026
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.
Affected Packages
https://github.com/surrealdb/surrealdb.git (GITHUB):
Affected version(s) >=v3.1.0 <v3.3.0 || >=v3.3.0-beta.1 <v3.3.0Fix Suggestion:
Update to version v3.3.0surrealdb (RUST):
Affected version(s) >=3.3.0-beta.1 <3.3.0 || >=3.1.0 <3.3.0Fix Suggestion:
Update to version 3.3.0surrealdb-core (RUST):
Affected version(s) >=3.3.0-beta.1 <3.3.0 || >=3.1.0 <3.3.0Fix Suggestion:
Update to version 3.3.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
3.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery
EPSS
Base Score:
0.16