CVE-2026-12496: Loytec L-Dali

High severity, CVSS 8.7. EPSS: 0.6% chance of exploitation in the next 30 days.

Stored Cross-Site Scripting (CWE-79) in the OPC XML-DA server statistics in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an unauthenticated remote attacker to execute arbitrary JavaScript in an administrator's browser (session hijacking, credential theft, device reconfiguration) via a crafted `User-Agent` header in a `POST /da` request.

Affected products

• Loytec L-Dali: up to and including 8.4.16
• Loytec L-Gate: up to and including 8.4.16
• Loytec L-Inx: up to and including 8.4.16
• Loytec L-Iob: up to and including 8.4.16
• Loytec L-Pad: up to and including 8.4.16
• Loytec L-Roc: up to and including 8.4.16
• Loytec L-Vis: up to and including 8.4.16
• Loytec Lip-ME20XC: up to and including 8.4.16

Published 2026-07-24. Last modified 2026-07-27.