CVE-2026-86735
Medium
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.
SeverityMedium
CVSS5.0
Exploit probability—
ProductSnipeitapp Snipe-it
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- snipeitapp snipe-it8.7.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| snipeitapp snipe-it | v < 8.7.0 | 8.7.0 |
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