Is CVE-2026-15105 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15105?

CVE-2026-15105 has a CVSS v3 severity of MEDIUM (6.3).

Back

CVE-2026-15105

Description

A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7_server.cpp of the component ReadVar Request Handler. This manipulation causes deserialization. The attack requires access to the local network. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.