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SiemensCVE-2026-57263

A vulnerability has been identified in LOGO

High7.0CVE-2026-57263 · Published Aug 11, 2026 · updated Aug 28, 2026

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V9). The project password feature in the affected products stores the password as an unsalted SHA-256 hash. This could allow an attacker who has obtained the project file to perform efficient offline dictionary or brute-force attacks against the unsalted hash.

Siemens advisory

Affected versions

PackageAffectedFixed in
LOGO! Soft Comfort
Product
< V9V9
Details and references
CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/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
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-759

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