CVE-2026-2331 is a critical vulnerability affecting SICK Lector85x v2.6.0, allowing unauthenticated read and write operations to sensitive filesystem areas via the AppEngine Fileaccess over HTTP. This flaw exposes critical directories, enabling attackers to modify application settings, including customer-defined passwords, and potentially execute arbitrary Lua code within the sandboxed AppEngine environment. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| SICK AG | SICK Lector83x | >= 2.6.0, <= 2.7.0CNA affecteddefault affected | |
| SICK AG | SICK Lector85x | >= 2.6.0, <= 2.7.0CNA affecteddefault affected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.