CVE-2026-55466: Snipe-IT is an IT asset/license management system

Q: How do I fix CVE-2026-55466?

snipe-it: upgrade to 8.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-55466 being exploited?

CVE-2026-55466 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-2026-55466 affect?

CVE-2026-55466 affects snipe-it. Severity is high (CVSS 8.7). Snipe-IT is an IT asset/license management system. Prior to 8.6.2, UploadFileRequest sanitizes SVG content only when PHP finfo reports image/svg+xml and UploadedFilesController serves attachments inline without using StorageHelper::allowSaf

Q: How urgent is CVE-2026-55466?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 8.7UPGRADE

CVE-2026-55466 is a high-severity flaw (CVSS 8.7) affecting snipe-it. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, UploadFileRequest sanitizes SVG content only when PHP finfo reports image/svg+xml and UploadedFilesController serves attachments inline without using StorageHelper::allowSafeInline(), allowing a low-privilege user to upload active XHTML or XML content that is later served same-origin and executes JavaScript in a viewer’s browser. This issue is fixed in version 8.6.2.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-10
Last modified	2026-10-25

Publisher (CNA): GitHub, Inc. · Vendor: snipeitapp

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 20:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

snipeitapp snipe-it UPGRADE

Affected: < 8.6.2

Fixed in: 8.6.2

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 8.6.2 (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-2026-55466?

snipe-it: upgrade to 8.6.2. Exact commands for each OS are on this page.

Is CVE-2026-55466 being exploited?

CVE-2026-55466 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-2026-55466 affect?

CVE-2026-55466 affects snipe-it. Severity is high (CVSS 8.7). Snipe-IT is an IT asset/license management system. Prior to 8.6.2, UploadFileRequest sanitizes SVG content only when PHP finfo reports image/svg+xml and UploadedFilesController serves attachments inline without using StorageHelper::allowSaf

How urgent is CVE-2026-55466?

Priority 45/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-48492 MEDIUM 6.5 UPGRADE Snipe-IT is an IT asset/license management system
CVE-2026-55542 MEDIUM 4.3 UPGRADE Snipe-IT is an IT asset/license management system
CVE-2026-55460 HIGH 7.1 UPGRADE Snipe-IT is an IT asset/license management system
CVE-2026-54329 HIGH 8.5 UPGRADE Snipe-IT is an IT asset/license management system
CVE-2026-55516 HIGH 7.7 UPGRADE Snipe-IT is an IT asset/license management system

References

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