Vulnerability · Published Sep 17, 2026 · Assigned by VulDB
CVE-2026-92993Dromara mayfly-go Machine Script Feature machine_script.go RunMachineScript os command injection
Medium 6.3
In plain English
A medium-severity OS command injection in mayfly-go from Dromara. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-406447 | Dromara mayfly-go Machine Script Feature machine_script.go RunMachineScript os command injection vdb-entry, technical-description
- VDB-406447 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-92993 | CVE Analysis and Report third-party-advisory
- Submit #942254 | dromara mayfly-go 1.2.11 to 1.11.5 OS Command Injection third-party-advisory
- https://gist.github.com/xufengnian/b95662ba0d8881cfc5ba0bb99cbfc086 exploit
- https://github.com/dromara/mayfly-go/pull/129 issue-tracking, patch
- https://github.com/dromara/mayfly-go/ product