CVE-2026-25925
Deserialization RCE in PowerDocu JSON Parsing Before
Publication date: 2026-02-09
Last updated on: 2026-02-28
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| modery | powerdocu | to 2.4.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
PowerDocu, a Windows GUI application used for technical documentation, has a critical security vulnerability in versions prior to 2.4.0 related to how it parses JSON files within Flow or App packages.
The vulnerability arises because the application blindly trusts the $type property in these JSON files, which allows an attacker to instantiate arbitrary .NET objects and execute malicious code.
This issue is fixed in version 2.4.0 of PowerDocu.
How can this vulnerability impact me? :
This vulnerability can have severe impacts because it allows an attacker to execute arbitrary code on the affected system by exploiting the way PowerDocu parses JSON files.
Successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of the system running PowerDocu.
According to the CVSS v3.1 score of 7.8, the vulnerability requires local access with low attack complexity and no privileges, but user interaction is required.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade PowerDocu to version 2.4.0 or later, where the issue with parsing JSON files and arbitrary code execution has been fixed.