CVE-2026-49397 PUBLISHED

Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data

Assigner: GitHub_M
Reserved: 29.05.2026 Published: 12.06.2026 Updated: 12.06.2026

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.0 to before version 2.0.14, private services (EnableShowInService: false) are enumerable via per-server endpoints, leaking name and timing data. This issue has been patched in version 2.0.14.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 5.3

Product Status

Vendor nezhahq
Product nezha
Versions
  • Version >= 2.0.0, < 2.0.14 is affected

References

Problem Types

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE
  • CWE-285: Improper Authorization CWE
  • CWE-863: Incorrect Authorization CWE