OS Command Injection in LMS
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
An OS Command Injection vulnerability exists in LMS (LAN Management System) before commit 9fcb4de due to an IP address parameter being passed to the "exec()" function without proper validation, allowing attackers to execute arbitrary operating system commands.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40456
- 2026-10-03 Alias added: GHSA-765c-7qf8-cw9w
References
More LMS vulnerabilities
- TI-2007-03220 PHP remote file inclusion vulnerability in lib/language.php in LAN Management System… CVSS 2.0HIGH 7.5
- TI-2026-29207 SQL Injection in LMS CVSS 4.0HIGH 8.6
- TI-2018-15933 lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading… CVSS 3.1HIGH 7.5
- TI-2026-29209 Reflected XSS in LMS CVSS 4.0LOW 2.1
Sources
- CVE-2026-40456 · CVE Program
- CVE-2026-40456 · NVD
- FIRST EPSS
- GHSA-765c-7qf8-cw9w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences