CVE-2026-47120: Nezha Monitoring: RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check)
Vulnerability summary
CVE-2026-47120 is a high (CVSS 7.1) Missing Authorization vulnerability in nezhahq nezha. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 12-06-2026PublishedVulnerability first disclosed.
- 15-06-2026Last modifiedVulnerability information updated.
Description
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, a RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check). This issue has been patched in version 2.0.8.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LDiffers
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
Increase +0.11 pp
From 0.26% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Github.com/nezhahq1 product
- nezha≥ 1.4.0, < 1.14.15-0.20260517022419-d7526351cf97
Nezhahq1 product
- nezha≥ 1.4.0, < 2.0.8
2 vendors · 2 products
References
3 links
- github.com/nezhahq/nezhaPACKAGE