Is CVE-2026-59111 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-59111?

CVE-2026-59111 has a CVSS v3 severity of CRITICAL (9.3).

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CVE-2026-59111

Description

Improper neutralization of special elements used in an OS command ('OS command injection') vulnerability in Digitální a informační agentura (DIA) eObčanka-Identifikace on MacOS enables an attacker to register a custom URL scheme (czeeopauth://) for parameterized application execution. Prior to version 3.6.0, incoming URL parameters were passed to the compiled AppleScript wrapper using concatenation without sufficient sanitization.