CVE-2026-44090
Last modified
CVE-2026-44090 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Phoenix Contact | CHARX SEC-3150 | >= 1.0.0, < 1.9.1 |
| Phoenix Contact | CHARX SEC-3100 | >= 1.0.0, < 1.9.1 |
| Phoenix Contact | CHARX SEC-3050 | >= 1.0.0, < 1.9.1 |
| Phoenix Contact | CHARX SEC-3000 | >= 1.0.0, < 1.9.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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