CVE-2026-18641 Command injection in Operation and Maintenance Security Management System
Remote attackers can execute arbitrary OS commands via the login endpoint in Sangfor O&M systems, requiring immediate mitigation due to public exploit availability.
- 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-2026-18641?
CVE-2026-18641 is a medium-severity command injection vulnerability in Sangfor Operation and Maintenance Security Management System, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in Sangfor Operation and Maintenance Security Management System up to 3.0.13. Affected by this vulnerability is the function com.sbr.fort.foreignDP.DpLoginController of the file /fort/portal_login of the component Login Endpoint. This manipulation causes os command injection. The attack can be initiated remotely. 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.
Which versions are affected by CVE-2026-18641?
How do I fix CVE-2026-18641?
No fix has been published for CVE-2026-18641 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-18641 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18641 exists.
Sources
Also known as GHSA-x8c2-xf69-cq6v.