VulnerabilityDeferred

CVE-2026-49397

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.

MEDIUM 5.3EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.25% probability · 17th percentile
CISA KEV: Not listed
Weakness: CWE-200, CWE-285, CWE-863
Source: security-advisories@github.com

References

https://github.com/nezhahq/nezha/security/advisories/GHSA-vrmh-5mmx-hjwx
https://github.com/nezhahq/nezha/security/advisories/GHSA-vrmh-5mmx-hjwx

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.