{"id":"CVE-2025-62723","title":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments","summary":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (ev…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-772"],"vendor":"flashmq","product":"flashmq","affected":["flashmq < 1.23.2"],"patched":["flashmq 1.23.2"],"published":"2025-10-24","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-62723","references":[{"url":"https://github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4ee9","label":"security-advisories@github.com"},{"url":"https://github.com/halfgaar/FlashMQ/issues/154","label":"security-advisories@github.com"},{"url":"https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vv","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00341,"epssPercentile":0.2545,"ingestedAt":"2026-10-08T11:31:27.576Z","slug":"CVE-2025-62723","body":"## Overview\n\nFlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue.\n\n## Affected\n\n- `flashmq < 1.23.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `flashmq 1.23.2`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}