CVE-2026-86735: snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validati

Q: How do I fix CVE-2026-86735?

snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-86735 being exploited?

CVE-2026-86735 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-86735 affect?

CVE-2026-86735 affects snipe-it. Severity is medium (CVSS 5.0). 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 co

Q: How urgent is CVE-2026-86735?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2026-86735 is a medium-severity flaw (CVSS 5.0) affecting snipe-it. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-09-08
Last modified	2026-09-09

Publisher (CNA): VulnCheck · Vendor: snipeitapp

Last updated 2026-09-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-08 16:18 UTCPublished CVE record published
2026-09-09 13:45 UTCUpdated Record last modified

snipeitapp snipe-it UPGRADE

Affected: < 8.7.0

Fixed in: 8.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy snipe-it || rpm -q snipe-it || snipe-it --version

2. UPGRADE to 8.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade snipe-it

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade snipe-it

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-86735?

snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.

Is CVE-2026-86735 being exploited?

CVE-2026-86735 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-86735 affect?

CVE-2026-86735 affects snipe-it. Severity is medium (CVSS 5.0). 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 co

How urgent is CVE-2026-86735?

Priority 24/100. No elevated risk signals yet.

Related CVEs

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CVE-2026-116200 MEDIUM 5.9 UPGRADE Snipe-IT before 8.6.3 ignores the ldap_start_tls() return value in Ldap::connectToLdap(), allowing on-path att
CVE-2026-116199 HIGH 8.1 UPGRADE Snipe-IT before 8.6.3 contains an authentication bypass in GoogleAuthController::handleGoogleCallback, which l
CVE-2026-116198 MEDIUM 4.3 UPGRADE Snipe-IT before 8.7.0 contains a missing encryption vulnerability in Api\AssetsController::store that writes p
CVE-2026-48493 MEDIUM 5.5 UPGRADE Snipe-IT is an IT asset/license management system

References

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