CVE-2026-59111: Command Injection vulnerability in eObčanka-Identifikace
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
eObčanka-Identifikaceto a version that resolves this vulnerability.Fixed in 3.7.0 - Upgrade
Upgrade
eObčanka-Identifikaceto a version that resolves this vulnerability.Fixed in 3.6.0
Event History
Frequently Asked Questions
Which installations are affected?
The issue affects eObčanka-Identifikace on macOS before version 3.6.0. The vulnerable behavior is tied to the application's handling of the czeeopauth:// custom URL scheme.
What does an attacker need to exploit this issue?
An attacker needs a user to interact with a crafted czeeopauth:// URL. No prior privileges are required, and the crafted URL can supply parameters that reach the compiled AppleScript wrapper.
Are newer versions affected?
The vulnerability is described as affecting versions prior to 3.6.0. Updating to version 3.6.0 or later removes the identified vulnerable version range.