CVE-2026-4222 SSCMS download PathUtils.RemoveParentPath path traversal
Attackers can exploit a path traversal flaw in SSCMS to read arbitrary files or potentially execute code via the plugin download API.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4222?
CVE-2026-4222 is a medium-severity path traversal vulnerability in SSCMS, published on 16 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-4222?
How do I fix CVE-2026-4222?
No fix has been published for CVE-2026-4222 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-4222 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4222 exists.
Sources
Also known as GHSA-8ggf-9853-3cf8.