Unrestricted File Upload Vulnerability in lwj Flow by Dragon
CVE-2026-1126
Key Information:
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What is CVE-2026-1126?
A vulnerability exists in the ู ุนุธู flow development framework related to the SVG File Handler's uploadFile function. The issue arises from improper handling of file uploads, enabling remote attackers to upload arbitrary files without sufficient validation of the File argument. This flaw can lead to serious security breaches, allowing malicious files to be executed on the server. Despite early reporting of the problem to the project maintainers, there has been no response or patch provided, raising concerns about the security of users relying on this software.
Human OS v1.0:
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Affected Version(s)
flow a3d2fe8133db9d3b50fda4f66f68634640344641
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
- ๐ก
Public PoC available
- ๐พ
Exploit known to exist
Vulnerability published
Vulnerability Reserved