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Back to active CVEs
Medium · CVSS 4.8CVE-2026-121420

SurrealDB 3.2.0 before 3.3.0 SSRF Guard Bypass via IPv6 Transition AddressesCVE-2026-121420

Answer in brief

CVE-2026-121420 records a Medium severity (CVSS 4.8) vulnerability in SurrealDB 3.2.0 before 3.3.0 SSRF Guard Bypass via IPv6 Transition Addresses. The current sources do not mark it as known exploited. The current feed maps surrealdb/surrealdb (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 3, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps surrealdb/surrealdb (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
surrealdb/surrealdbgeneric>=3.2.0 <3.3.03.3.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for surrealdb/surrealdb.
  2. 2Review the reported fix. Update surrealdb/surrealdb to 3.3.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Server-side request forgery via crs member of GeoJSON geometriesAlso CWE-918
  • Server-side request forgery via SpatialReference string inputAlso CWE-918
  • Label Studio before 1.23.2 SSRF and Token Disclosure via Image Export DownloadsAlso CWE-918

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-918
Source
CVE List V5
Source checked
Nov 3, 2026
References
2 linked sources
Open source record