{"id":"CVE-2026-79391","title":"No authentication exists in the MQTT service of Trueview 6.0.23.4","summary":"No authentication exists in the MQTT service of Trueview 6.0.23.4. The MQTT broker accepts client connections on TCP port 1883 without requiring authentication, allowing a remote attacker with network access to establish an MQTT session …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-306"],"published":"2026-09-04","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79391","references":[{"url":"https://github.com/EmbdCDACHyd/CVE/blob/main/CVE-2026-79391/README.md","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00389,"epssPercentile":0.32859,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-08T14:04:17.477133Z"},"ingestedAt":"2026-09-08T15:33:26.964Z","slug":"CVE-2026-79391","body":"## Overview\n\nNo authentication exists in the MQTT service of Trueview 6.0.23.4. The MQTT broker accepts client connections on TCP port 1883 without requiring authentication, allowing a remote attacker with network access to establish an MQTT session and perform unauthorized publish or subscribe operations.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}