XSS in Grokability Snipe-It
CVE-2026-55466
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (36.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Grokability Snipe-it — versions < 8.6.2
- Snipeitapp Snipe-it
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-55466?
- CVE-2026-55466 is a high-severity vulnerability in Grokability Snipe-It, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-07-10.
- How severe is CVE-2026-55466?
- High severity. CVSS v3 base score is 8.7 out of 10.