CVE-2026-44090
Missing authentication for MQTT Broker
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.9.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- Phoenix Contact CHARX SEC-3150
From 1.0.0 · fixed in 1.9.1
- Phoenix Contact CHARX SEC-3100
From 1.0.0 · fixed in 1.9.1
- Phoenix Contact CHARX SEC-3050
From 1.0.0 · fixed in 1.9.1
- Phoenix Contact CHARX SEC-3000
From 1.0.0 · fixed in 1.9.1