🛡️ CVE-2026-55466 — snipe-it

🟠 CVSS 8.7 — High ⚠️ Exploit Public CWE-79 NVD
8.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

CVE-2026-55466 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2026-55466 is recorded against 1 package.

  • snipe-it (fixed in 8.6.2)

Timeline and source

Published on 10 July 2026 and last revised on 14 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
github.com

Details

Severity HIGH
CVSS Score 8.7
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE CWE-79
Public Exploit ⚠️ Yes
Source NVD
Published 2026-07-10
Updated 2026-08-11
Modified 2026-07-14

Affected Packages

Software From version Fixed in
snipe-it — 8.6.2

Similar Threats

Exploit Protection

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CVE-2026-55466 carries CVSS 8.7 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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