CVE-2026-47120 Nezha Monitoring: RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check)
A RoleMember can execute other users' cron tasks due to missing ownership checks, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47120?
CVE-2026-47120 is a high-severity missing authorization vulnerability in nezhahq nezha, published on 12 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-47120?
3 open source packages ship an affected version, including github.com/nezhahq/nezha.
| Package | Affected | Fixed in |
|---|---|---|
github.com/nezhahq/nezha Go | From 1.4.0 | 1.14.15-0.20260517022419-d7526351cf97 |
github.com/nezhahq/nezha Go | From 1.4.0 | 1.14.15-0.20260517022419-d7526351cf97 |
github.com/nezhahq/nezha Go | From 1.4.0 | 1.14.15-0.20260517022419-d7526351cf97 |
How do I fix CVE-2026-47120?
Upgrade github.com/nezhahq/nezha to 1.14.15-0.20260517022419-d7526351cf97 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47120 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-47120 exists.
Sources
Also known as GHSA-rxf6-wjh4-jfj6, GO-2026-5645.