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

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Summary

CVECVE-2026-49396
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-12 22:16:51 UTC
Updated2026-06-13 04:17:33 UTC
DescriptionNezha 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

EPSS: 0.000190000 probability, percentile 0.052700000 (date 2026-06-12)

Problem Types: CWE-352 | CWE-352 CWE-352: Cross-Site Request Forgery (CSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nezhahq Nezha affected >= 1.0.0, < 2.0.14 Not specified

References

ReferenceSourceLinkTags
github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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