CVE-2026-44092 Missing input validation / stripping of CRLF characters in SystemConfigManager
Unauthenticated attackers can inject CRLF characters via MQTT to compromise integrity and availability of the ModbusServer application.
- 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-2026-44092?
CVE-2026-44092 is a high-severity vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss.
Weakness: CWE-93
Which versions are affected by CVE-2026-44092?
How do I fix CVE-2026-44092?
No fix has been published for CVE-2026-44092 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44092 being exploited?
There is no known exploitation of CVE-2026-44092 in the wild and no public exploit code.
Sources
Also known as GHSA-hf79-46vv-6v3g.