What is CVE-2026-48119?

CVE-2026-48119 is a high-severity vulnerability in Nezhahq Nezha, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-06-12.

How severe is CVE-2026-48119?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Nezhahq Nezha

CVE-2026-48119

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…

Vulnerability class: Broken Access Control

EPSS: 0.003 (18.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Nezhahq Nezha — versions >= 0.20.0, < 2.0.12

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48119?: CVE-2026-48119 is a high-severity vulnerability in Nezhahq Nezha, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-06-12.
How severe is CVE-2026-48119?: High severity. CVSS v3 base score is 7.1 out of 10.