CVE-2026-49397

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

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.

Affected

nezhahq · nezha

CVSS v3.1 GITHUB

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.34% chance of exploitation in the next 30 days, 26th percentile

Published

2026-06-12

Updated

2026-06-15

Proof-of-concept exploits (1)

• advisories/GHSA-vrmh-5mmx-hjwx

References

• CVE Record
• NVD entry