CVE-2026-105113
7.1
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nezhahq | nezha | 1.8.0 < 2.3.13 | affected |
| nezhahq | nezha | 2.3.13 | unaffected |
Weaknesses
- CWE-667: Improper Locking
References
- https://github.com/nezhahq/nezha/security/advisories/GHSA-7j7v-j77m-6g3m
- https://www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-denial-of-service-via-notification-mutex-deadlock
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