---
schema_version: '1.0'
id: security-20260714-9ce7c4
url: https://osv.dev/vulnerability/PYSEC-2026-2097
url_hash: 9ce7c4972182eb7d0b40af6d3040c4d66353100689330c4b7fdc91f596e38f39
canonical_url: https://osv.dev/vulnerability/PYSEC-2026-2097
source: osv:pypa
category: security/library
category_raw: cve/library
region: null
tags:
- cve
- CVE-2026-34515
- PYSEC-2026-2097
- severity:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- aiohttp
- PyPI
lang: en
published_at: '2026-04-01T21:16:59Z'
fetched_at: '2026-07-14T06:42:23Z'
updated_at: '2026-07-14T06:42:55Z'
status: published
content_hash: 5a4ca01447b507a664bff8039c3ec457806c112cbc263e613ad186201a42fe4f
license_note: full
summary: 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.
summary_source: rss
summary_en: 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.
entities: []
key_facts: []
related: []
related_auto: []
title: CVE-2026-34515 — aiohttp
---

# CVE-2026-34515 — aiohttp

## TL;DR
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.

## Key Points
- cve / CVE-2026-34515 / PYSEC-2026-2097 / severity:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N / aiohttp / PyPI

## Details
**Severity:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
**Advisory:** PYSEC-2026-2097 (CVE-2026-34515)

**Affected (your watchlist):**
- `PyPI:aiohttp` 3.13.3 → fixed in 3.13.4 [docker/docker-strands]

**Details:**
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:**
- https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4
- https://github.com/aio-libs/aiohttp/commit/0ae2aa076c84573df83fc1fdc39eec0f5862fe3d
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-p998-jp59-783m

_Data: OSV.dev (upstream: pypa) — https://osv.dev/vulnerability/PYSEC-2026-2097_

## Source
元記事: [CVE-2026-34515 — aiohttp](https://osv.dev/vulnerability/PYSEC-2026-2097) — published 2026-04-01T21:16:59Z