CVE-2026-93597: ArcadeDB before 26.9.1 SSRF via IPv6 transition addresses

Severity: high (CVSS 7.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-18 · updated 2026-09-18
Weakness: CWE-918

Description

ArcadeDB versions before 26.9.1 fail to validate IPv6 transition addresses in the SSRF guard used by IMPORT DATABASE and server commands. Authenticated attackers can supply URLs resolving to NAT64, 6to4, or Teredo addresses embedding RFC 1918 or loopback IPv4 payloads to reach internal services and cloud metadata endpoints.

Affected products

ArcadeData arcadedb: before 26.9.1 — fixed in 26.9.1

How to fix

Upgrade to a fixed version: ArcadeData arcadedb 26.9.1. Check the vendor advisory for mitigations.

References

https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-67m7-7w7g-mpmh
https://www.vulncheck.com/advisories/arcadedb-before-26.9.1-ssrf-via-ipv6-transition-addresses
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-67m7-7w7g-mpmh

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