CVE-2026-78212 4MOSAn Security Technology｜4MOSAn Management Center - Arbitrary File Read
Unauthenticated attackers can exploit a relative path traversal flaw to download arbitrary system files from the 4MOSAn Management Center.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78212?
CVE-2026-78212 is a high-severity path traversal vulnerability in 4MOSAn Management Center, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
4MOSAn developed by 4MOSAn Security Technology Co., Ltd. has an Arbitrary File Read vulnerability. Unauthenticated remote attackers can exploit a Relative Path Traversal flaw to download arbitrary system files.
Weakness: CWE-23
Which versions are affected by CVE-2026-78212?
How do I fix CVE-2026-78212?
No fix has been published for CVE-2026-78212 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-2026-78212 being exploited?
There is no known exploitation of CVE-2026-78212 in the wild and no public exploit code.
Sources
Also known as GHSA-qx49-jcmm-gc4q.