AIKIDO-2026-502505
nono-proxy is vulnerable to Improper Access Control
82
CVE Score
High
Improper Access Control
TL;DR
The credential proxy matches endpoint policy against a normalized request path but forwards the raw path to the upstream. Dot segments and ; path parameters survive that normalizer, so an allowlisted prefix can authorize a path the upstream then resolves to a denied endpoint, and the proxy still injects credentials. The fix rejects ambiguous proxy paths after a stricter normalization.
How do I fix this?
Upgrade the nono-proxy 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 you use endpoint policy on the credential proxy.
Package
Versions
0.42.0 - 0.77.0
Fixed in 0.78.0Background info
nono-proxy is vulnerable to Improper Access Control in versions 0.42.0 - 0.77.0.
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