What’s Vulnerable › Vulnerabilities

CVE-2026-49396: Nezha Monitoring: Cross-site GET request can trigger stored cron commands on a victim's agents

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-12 · updated 2026-10-25
• Weakness: CWE-352

Description

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 patched in version 2.0.14.

Affected products

• nezhahq nezha: from 1.0.0, < 2.0.14

References

• https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg
• https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg

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