CVE-2026-40456
Last modified
CVE-2026-40456 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-40456?
How severe is CVE-2026-40456?
How do I fix CVE-2026-40456?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-40450Integer overflow in output tensor copy size calculation in S…6.6
- CVE-2026-40451DeepL Chrome browser extension versions from v1.22.0 to v.1.…6.1
- CVE-2026-40452Incorrect Authorization, Improper Access Control vulnerabili…7.5
- CVE-2026-40453The fix for CVE-2025-27636 added setLowerCase(true) to HttpH…9.9
- CVE-2026-40454Out-of-bounds Read, Improper Input Validation vulnerability …7.5
- CVE-2026-40455An SQL Injection vulnerability exists in LMS (LAN Management…8.6
- CVE-2026-40457A Reflected Cross-Site Scripting (XSS) vulnerability exists …2.1
- CVE-2026-40458PAC4J is vulnerable to Cross-Site Request Forgery (CSRF). A …6.5
- CVE-2026-40459PAC4J is vulnerable to LDAP Injection in multiple methods. A…8.8
- CVE-2026-4046The iconv() function in the GNU C Library versions 2.43 and …7.5
- CVE-2026-40460When NGINX Plus or NGINX Open Source are configured to use t…6.9
- CVE-2026-40461Anviz CX2 Lite and CX7 are vulnerable to unauthenticated POS…7.5
Are you affected by CVE-2026-40456?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
