AIKIDO-2026-633957
aiosonic is vulnerable to Use of Insufficiently Random Values
37
CVE Score
Low
Use of Insufficiently Random Values
TL;DR
The MultipartForm helper builds its multipart boundary with the non-cryptographic random module. Field values are written between the boundary delimiters without escaping, so a value that contains a guessed boundary is emitted. Code that mixes externally influenced text fields with trusted fields in a single form lets a caller who can retry the request or predict the PRNG inject a forged multipart part into the body sent upstream. The fix derives the boundary from a cryptographically secure token in both multipart upload paths.
How do I fix this?
Upgrade the aiosonic library to the patch version.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and your application passes untrusted input into a MultipartForm field alongside application-controlled fields.
Package
Versions
0.0.1 - 1.0.3
Fixed in 1.0.4Background info
aiosonic is vulnerable to Use of Insufficiently Random Values in versions 0.0.1 - 1.0.3.
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