CVE-2026-34515

HIGH

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

Title source: cna

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in version 3.13.4.

References (3)

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 18.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-36 CWE-918
Status published
Products (3)
aiohttp/aiohttp < 3.13.4
aio-libs/aiohttp < 3.13.4
pypi/aiohttp 0 - 3.13.4PyPI
Published Apr 01, 2026
Tracked Since Apr 02, 2026