Nezha Monitoring: Cross-site GET request can trigger stored cron commands on a victim's agents
Published Jun 12, 2026
7.1
HIGHCVSS 3.1
EPSS 0.17%
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 products
-
- Version >= 1.0.0, < 2.0.14StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
github.com/nezhahq/nezha
Go
Introduced 1.0.0 Fixed not fixed
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/nezhahq/nezha | 1.0.0 | not fixed |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jun 13, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Jun–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.17% (0.00167) | 5.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.17% (0.00167) | 6.24th | v5 (v2026.06.15) |
| Jun 12, 2026 | 0.02% (0.00019) | 5.27th | v4 (v2025.03.14) |
References (3)
- https://github.com/advisories/GHSA-8qhj-4f8c-j8qg Advisory
- https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg exploitx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-49396
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-8qhj-4f8c-j8qg | Advisory | |
| https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg | exploitx_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-49396 |
Change history (0)
No recorded changes yet.