GHSA-p998-jp59-783mMedium

AIOHTTP affected by UNC SSRF/NTLMv2 Credential Theft/Local File Read in static resource handler on Windows

Published
April 1, 2026
Last Modified
April 6, 2026

🔗 CVE IDs covered (1)

📋 Description

Summary

On Windows the static resource handler may expose information about a NTLMv2 remote path.

Impact

If an application is running on Windows, and using aiohttp's static resource handler (not recommended in production), then it may be possible for an attacker to extract the hash from an NTLMv2 path and then extract the user's credentials from there.


Patch: https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d

🎯 Affected products1

  • pip/aiohttp:<= 3.13.3

🔗 References (5)