What is CVE-2026-86735?

CVE-2026-86735 is a medium-severity vulnerability in Grokability Snipe-It, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-09-08.

How severe is CVE-2026-86735?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in Grokability Snipe-It

CVE-2026-86735

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-86735?: CVE-2026-86735 is a medium-severity vulnerability in Grokability Snipe-It, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-09-08.
How severe is CVE-2026-86735?: Medium severity. CVSS v3 base score is 5.0 out of 10.