CVE-2026-49396: Nezha Monitoring: Cross-site GET request can trigger stored cron commands on a victim's agents
Vulnerability summary
CVE-2026-49396 is a high (CVSS 7.1) Cross-Site Request Forgery (CSRF) vulnerability in nezhahq nezha. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 12-06-2026PublishedVulnerability first disclosed.
- 13-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 0.12% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/nezhahq1 product
- nezha≥ 1.0.0, < 2.0.14 | ≥ 1.0.0 (No fix recorded)
Nezhahq1 product
- nezha≥ 1.0.0, < 2.0.14
2 vendors · 2 products
References
3 links- github.com/nezhahq/nezhaPACKAGE