CVE-2026-59111

CRITICALCVSS 9.3/10EPSS 0.79%

Last modified

CVE-2026-59111 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.79%

53.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Ministry of the Interior (MVČR)eObčanka-Identifikace<= 3.5.1

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-59111?
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.
How severe is CVE-2026-59111?
CVE-2026-59111 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2026-59111?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST