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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Grokability Snipe-It — versions < 8.6.2
- Snipeitapp Snipe-It
Weakness classification (CWE)
References
- github.com/grokability/snipe-it/security/advisories/GHSA-jhph-5q74-pmfx (Exploit, Patch, Vendor Advisory)
- github.com/grokability/snipe-it/commit/000cea0a622d586366cf60d2240c7c2a4b17c955 (Patch)
- github.com/grokability/snipe-it/releases/tag/v8.6.2 (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.