CVE-2026-12613 Insecure Deserialization Leading to Remote Code Execution in Ministry of Justice's UYAP Document Editor
An attacker can achieve remote code execution by exploiting insecure deserialization in the UYAP Document Editor application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-12613?
CVE-2026-12613 is a high-severity unsafe deserialization vulnerability in Ministry of Justice General Directorate of Information Technology UYAP Document Editor, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Deserialization of untrusted data vulnerability in Ministry of Justice General Directorate of Information Technology UYAP Document Editor on Windows and Linux and Ministry of Justice General Directorate of Information Technology UYAP Document Editor on MacOS allows Object Injection.
This issue affects UYAP Document Editor: before 5.4.20; UYAP Document Editor: before 5.4.21.
Weakness: CWE-502
Which versions are affected by CVE-2026-12613?
How do I fix CVE-2026-12613?
No fix has been published for CVE-2026-12613 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-12613 being exploited?
There is no known exploitation of CVE-2026-12613 in the wild and no public exploit code.
Sources
Also known as GHSA-m3wc-m3g8-wx7q.