CVE-2026-111386
CVE-2026-111386 · Nezha 1.7.0 before 2.3.15 Cross-Tenant Server-ID Enumeration via getServerConfig
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Nezha from 1.7.0 before 2.3.15 contains an information disclosure vulnerability that allows authenticated members to enumerate other tenants' server IDs through differential responses. Attackers can sweep sequential IDs against getServerConfig and setServerConfig, distinguishing 'permission denied' from success payloads to map other users' servers.
CVSS 5.3 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Affected products and versions
nezha
- Versions
- ≥ 1.7.0, < 2.3.15: Affected (semver)
- 2.3.15: Not affected (semver)
Update to 2.3.15
Original sources
- https://github.com/nezhahq/nezha/security/advisories/GHSA-228w-p4h4-6rvw
- https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f
- https://www.vulncheck.com/advisories/nezha-1.7.0-before-2.3.15-cross-tenant-server-id-enumeration-via-getserverconfig
- https://nvd.nist.gov/vuln/detail/CVE-2026-111386