CVE-2026-47120: CWE-862: Missing Authorization in nezhahq nezha
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, a RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check). This issue has been patched in version 2.0.8.
AI Analysis
Technical Summary
CVE-2026-47120 describes a missing authorization vulnerability (CWE-862) in Nezha Monitoring, a self-hostable server and website monitoring tool. Specifically, from versions 1.4.0 to before 2.0.8, users assigned the RoleMember role can invoke cron tasks belonging to other users through the AlertRule.FailTriggerTasks functionality due to lack of ownership verification. This could lead to unauthorized task execution. The vulnerability is patched in version 2.0.8.
Potential Impact
The vulnerability allows a user with limited privileges (RoleMember) to execute cron tasks owned by other users, potentially causing unauthorized actions or disruptions. The CVSS score of 7.1 (high severity) reflects that the vulnerability is remotely exploitable with low attack complexity and no user interaction, resulting in high integrity impact and low availability impact. Confidentiality is not affected.
Mitigation Recommendations
Upgrade Nezha Monitoring to version 2.0.8 or later, where this missing authorization issue has been fixed. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-47120: CWE-862: Missing Authorization in nezhahq nezha
Description
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, a RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check). This issue has been patched in version 2.0.8.
CVSS v3.1
Score 7.1high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-47120 describes a missing authorization vulnerability (CWE-862) in Nezha Monitoring, a self-hostable server and website monitoring tool. Specifically, from versions 1.4.0 to before 2.0.8, users assigned the RoleMember role can invoke cron tasks belonging to other users through the AlertRule.FailTriggerTasks functionality due to lack of ownership verification. This could lead to unauthorized task execution. The vulnerability is patched in version 2.0.8.
Potential Impact
The vulnerability allows a user with limited privileges (RoleMember) to execute cron tasks owned by other users, potentially causing unauthorized actions or disruptions. The CVSS score of 7.1 (high severity) reflects that the vulnerability is remotely exploitable with low attack complexity and no user interaction, resulting in high integrity impact and low availability impact. Confidentiality is not affected.
Mitigation Recommendations
Upgrade Nezha Monitoring to version 2.0.8 or later, where this missing authorization issue has been fixed. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-18T19:50:18.694Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c7c90e617e2d834c6c7a9
Added to database: 06/12/2026, 21:39:28 UTC
Last enriched: 06/19/2026, 22:20:57 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 45
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