Vulnerability in Nezhahq Nezha
CVE-2026-105113
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.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/nezhahq/nezha/security/advisories/GHSA-7j7v-j77m-6g3m (vendor-advisory)
- www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-denial-of-service-via-no… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-105113?
- CVE-2026-105113 is a medium-severity vulnerability in Nezhahq Nezha, classified under Improper Locking. CVSS score: 6.5/10. Published 2026-10-03.
- How severe is CVE-2026-105113?
- Medium severity. CVSS v3 base score is 6.5 out of 10.