VulnerabilityDeferred

CVE-2026-48119

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool.

HIGH 7.1EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.12, authenticated agents can forge service-monitor results for other users' services. This issue has been patched in version 2.0.12.

CVSS 3.1: 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
EPSS: 0.27% probability · 19th percentile
CISA KEV: Not listed
Weakness: CWE-862
Source: security-advisories@github.com

References

https://github.com/nezhahq/nezha/security/advisories/GHSA-4g6j-g789-rghm
https://github.com/nezhahq/nezha/security/advisories/GHSA-4g6j-g789-rghm

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