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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-86735

snipe-it before 8.7.0 SSRF via IPv6 transition address bypass

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Status
Published
Published
Updated
Assigning organization
VulnCheck

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

grokability snipe-it

Default version status: unaffected

  • 0 to < 8.7.0affected
  • 8.7.0unaffected

References