What is CVE-2026-49396?

CVE-2026-49396 is a high-severity vulnerability in Nezhahq Nezha, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-06-12.

How severe is CVE-2026-49396?

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

CSRF in Nezhahq Nezha

CVE-2026-49396

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.0.14, cross-site GET request can trigger stored cron commands on a victim's agents. This issue has been…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Nezhahq Nezha — versions >= 1.0.0, < 2.0.14

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-49396?: CVE-2026-49396 is a high-severity vulnerability in Nezhahq Nezha, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-06-12.
How severe is CVE-2026-49396?: High severity. CVSS v3 base score is 7.1 out of 10.