CVE-2026-59111 — CRITICAL (9.3)

Vulnerability 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.

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-78

References

https://info.identita.gov.cz/eop/BezpecnostniOznameni/CVE-2026-59111.aspx

FAQ

What is CVE-2026-59111?

CVE-2026-59111 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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 ...

How severe is CVE-2026-59111?

CVE-2026-59111 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-59111?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.