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PatchSiren cyber security CVE debrief

CVE-2026-47120 nezhahq CVE debrief

CVE-2026-47120 is a high-severity vulnerability in Nezha Monitoring, a self-hostable, lightweight monitoring and O&M tool. The issue allows a RoleMember to fire other users' cron tasks via AlertRule.FailTriggerTasks without ownership checks. This vulnerability affects Nezha Monitoring versions from 1.4.0 to before 2.0.8. The issue has been patched in version 2.0.8. The CVSS score for this vulnerability is 7.1, indicating a high severity level. The vulnerability was published on [cvePublishedAt] and has not been modified since then.

Vendor
nezhahq
Product
nezha
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-15
Advisory published
2026-06-12
Advisory updated
2026-06-15

Who should care

Users of Nezha Monitoring, especially those with RoleMember privileges, should be aware of this vulnerability and take immediate action to upgrade to version 2.0.8 or later.

Technical summary

The vulnerability is caused by a lack of ownership checks in the AlertRule.FailTriggerTasks feature, allowing a RoleMember to fire other users' cron tasks. This can lead to unintended actions being performed, potentially causing harm to the system or data.

Defensive priority

High

Recommended defensive actions

  • Upgrade Nezha Monitoring to version 2.0.8 or later.
  • Review and restrict RoleMember privileges to minimize potential impact.

Evidence notes

The vulnerability is documented in the CVE record [resourceLinkAnnotations:cve-org] and the NVD detail page [resourceLinkAnnotations:nvd]. A security advisory [resourceLinkAnnotations:ref-4] is also available on GitHub.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47120 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47120

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47120 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47120

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.