{"id":"CVE-2026-105113","summary":"Nezha 1.8.0 before 2.3.13 Denial of Service via Notification Mutex Deadlock","details":"Nezha Dashboard from 1.8.0 before 2.3.13 contains an improper locking vulnerability where a non-deferred mutex unlock leaks on a nil-map panic path. Any authenticated non-admin member can issue four notification API calls to permanently deadlock the alerting subsystem, then exhaust memory with blocking requests.","aliases":["GHSA-7j7v-j77m-6g3m"],"modified":"2026-10-07T02:30:32.963003003Z","published":"2026-10-03T12:14:39.317Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105113.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-667"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105113.json"},{"type":"ADVISORY","url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-7j7v-j77m-6g3m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105113"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-denial-of-service-via-notification-mutex-deadlock"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nezhahq/nezha","events":[{"introduced":"91bef2882a2f8a3948da216d5922e7dae4988f49"},{"fixed":"9dab6a5039b5043d5e5127aa08d9614d59cbbcc2"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"1.8.0"},{"fixed":"2.3.13"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105113.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}