{"id":"CVE-2026-46411","aliases":["EUVD-2026-35872","GHSA-g35r-265r-rxrh"],"status":"published","title":"FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older","description":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00301,"percentile":0.23132,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2026-06-09T23:01:33Z","modified":"2026-10-28T10:51:45Z","products":[{"vendor":"halfgaar","product":"flashmq"}],"references":[{"url":"https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-g35r-265r-rxrh","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/halfgaar/FlashMQ/commit/29e08f7b97b6e3f96db923c2b6a260c47b49c195","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/halfgaar/FlashMQ/releases/tag/v1.26.2","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46411.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46411","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-46411","title":"FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older","description":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.","status":"published","published":"2026-06-09T23:01:33.212Z","modified":"2026-06-10T14:30:30.247Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T13:47:06.353366Z"}],"euvd":[{"id":"EUVD-2026-35872","description":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.","status":"published","published":"2026-06-09T23:01:33Z","modified":"2026-06-10T14:30:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:20:45.405546Z"}],"nvd":[{"id":"CVE-2026-46411","description":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.","status":"published","published":"2026-06-10T00:16:53.407Z","modified":"2026-07-23T09:10:00.113Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"CVE-2026-46411","title":"FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older","description":"FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.","status":"published","published":"2026-06-09T23:01:33.212Z","modified":"2026-10-28T10:51:45.859614135Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:45:05.870292Z"}]}}