{"schema":"threatline.record/2","record":{"id":"CVE-2026-105112","aliases":["GHSA-53vr-p24v-qvwf"],"summary":"Nezha 1.8.0 before 2.3.13 Deadlock DoS via notification-group endpoints","details":"Nezha from 1.8.0 before 2.3.13 contains a lock-order inversion in UpdateGroup and DeleteGroup that allows authenticated non-admin users to deadlock the alerting subsystem. Attackers can concurrently call the notification-group and batch-delete endpoints with oversized id lists to widen the race and close an ABBA cycle, permanently killing alert delivery until restart.","categories":["Unclassified"],"product":"nezha","vendor":"nezhahq","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105112","source_modified_at":"2026-10-05T15:57:12.205Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"nezha","vendor":"nezhahq","versions":[{"version":"1.8.0","status":"affected","versionType":"semver","lessThan":"2.3.13"},{"version":"2.3.13","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105112","source_modified_at":"2026-10-05T15:57:12.205Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"nezha","ecosystem":null},"version":"2.3.13","basis":"first unaffected version stated in the CVE record"}],"cvss":6,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00178,"percentile":0.07015,"score_date":"2026-10-23"},"published_at":"2026-10-03T12:14:38.663Z","modified_at":"2026-10-05T15:57:12.205Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105112","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T15:57:12.205Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105112","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-53vr-p24v-qvwf","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-deadlock-dos-via-notification-group-endpoints","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-05T15:56:45.675521Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-05T15:57:12.205Z","content_hash":"10749f6217c85020135b24953df7e6f679e7f6bfbcb2510409395a8f87093970"}}