CVE-2026-92993 Dromara mayfly-go Machine Script Feature machine_script.go RunMachineScript os command injection
Remote attackers with specific permissions can execute arbitrary OS commands via the Machine Script feature in mayfly-go.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92993?
CVE-2026-92993 is a medium-severity command injection vulnerability in Dromara mayfly-go, published on 17 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in Dromara mayfly-go up to 1.11.5. The impacted element is the function RunMachineScript of the file server/internal/machine/api/machine_script.go of the component Machine Script Feature. The manipulation of the argument params results in os command injection. The attack can be executed remotely. The exploit is now public and may be used. Exploitation needs no admin account. Any account holding machine:script:run plus tag access reaches arbitrary command execution on machines whose templates contain {{.param}} placeholders; the SSH exec layer (Cli.Run) also applies no input filtering to any caller. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-92993?
How do I fix CVE-2026-92993?
No fix has been published for CVE-2026-92993 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-92993 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92993 exists.
Sources
Also known as GHSA-7v39-cvrw-gj6m.