RCE in Digitální A Informační Agentura (Dia) Eobčanka-Identifikace

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (70.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-59111: rose from 0.008 to 0.013.

EPSS over last 30 days · oldest: 0.008 · newest: 0.013 · change: +0.005

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-59111?
CVE-2026-59111 is a critical-severity vulnerability in Digitální A Informační Agentura (Dia) Eobčanka-Identifikace, classified under OS Command Injection. CVSS score: 9.3/10. Published 2026-08-31.
How severe is CVE-2026-59111?
Critical severity. CVSS v3 base score is 9.3 out of 10.