CVE-2026-49396
Received Received - Intake
Stored Command Injection in Nezha Monitoring Agent

Publication date: 2026-06-12

Last updated on: 2026-06-12

Assigner: GitHub, Inc.

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-12
Last Modified
2026-06-12
Generated
2026-06-13
AI Q&A
2026-06-13
EPSS Evaluated
N/A
NVD
CVE-2026-49396
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
nezha_monitoring nezha_monitoring From 1.0.0 (inc) to 2.0.14 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Mitigation Strategies

To mitigate this vulnerability, upgrade Nezha Monitoring to version 2.0.14 or later, where the issue has been patched.

Executive Summary

This vulnerability affects Nezha Monitoring, a self-hostable, lightweight tool for monitoring servers and websites. In versions from 1.0.0 up to but not including 2.0.14, a cross-site GET request can trigger stored cron commands on a victim's agents. This means that an attacker could cause the victim's system to execute scheduled commands by exploiting this flaw.

Impact Analysis

The vulnerability can lead to unauthorized execution of stored cron commands on affected agents. This could result in an attacker manipulating system operations, potentially causing disruption or unauthorized actions on your servers or websites. The CVSS score indicates a high impact on integrity and a low impact on availability, meaning the attacker can alter system behavior but not necessarily cause a denial of service.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-49396. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart