JFlow Vulnerability in OpenCC Allows Remote Code Execution
CVE-2026-3813
Key Information:
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What is CVE-2026-3813?
A significant vulnerability has been found in the JFlow application developed by OpenCC, specifically within the Calculate function located in the WF_CCForm.java file. This flaw allows for remote code execution through injection attacks, which can be exploited by malicious actors over the internet. Despite the project's rolling release system that continuously updates the software, details regarding the versions impacted or those that may include fixes have not been disclosed. Early notifications were sent to the developers, but no response has been recorded, raising concerns about potential exploitation due to the availability of public exploits.
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Affected Version(s)
JFlow 5badc00db382d7cb82dad231e6a866b18e0addfe
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved