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CVE-2026-86735

MediumCVSS 5.9 / 10
Published Sep 8, 2026·Last modified Sep 9, 2026
Affected Components(162)
grokability/snipe-it
3.0
grokability/snipe-it
8.1.3
grokability/snipe-it
8.4.0
1 / 54
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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Risk Scores
Base Score
5.9

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
2.1

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.31%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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