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CVE-2026-49396

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

HIGH
7.1
CVSS Score
Published: June 12, 2026 at 09:03 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorNezha

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nezha· Nezhahq
90%
>= 1.0.0, < 2.0.14
Affected range stops below 2.0.14, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-352

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