Security Advisory

CVE-2026-86735

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-08 15:14:04

Last updated 2026-09-08 15:37:47

Assigner VulnCheck

CVSS score 5.9

State PUBLISHED

Description

snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo transition addresses to bypass SSRF guards and access internal services or cloud metadata endpoints.

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