CVE-2026-34515

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d	Patch
https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4	Release Notes
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-p998-jp59-783m	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*

History

15 Apr 2026, 14:08

Type	Values Removed	Values Added
References	~~() https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d -~~	() https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d - Patch
References	~~() https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4 -~~	() https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4 - Release Notes
References	~~() https://github.com/aio-libs/aiohttp/security/advisories/GHSA-p998-jp59-783m -~~	() https://github.com/aio-libs/aiohttp/security/advisories/GHSA-p998-jp59-783m - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Aiohttp aiohttp Aiohttp
CPE		cpe:2.3:a:aiohttp:aiohttp::::::::

01 Apr 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-01 21:16

Updated : 2026-04-15 14:08

NVD link : CVE-2026-34515

Mitre link : CVE-2026-34515

CVE.ORG link : CVE-2026-34515

JSON object : View

Products Affected

aiohttp

aiohttp

CWE

CWE-36

Absolute Path Traversal

CWE-918

Server-Side Request Forgery (SSRF)

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