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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| aio-libs | aiohttp | < 3.13.4 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | python-aiohttp | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | py3-aiohttp | 3.13.5-r0 | — |
| Alpine v3.23 | py3-aiohttp | 3.13.5-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | python-aiohttp | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | airflow-3 | 3.1.8-r11 | — |
| Wolfi rolling | checkov | 3.2.517-r0 | — |
| Wolfi rolling | dask-kubernetes | 2026.3.0-r3 | — |
| Wolfi rolling | kserve-storage-controller | 0.17.0-r2 | — |
| Wolfi rolling | kubeflow-pipelines-visualization-server | 2.16.0-r4 | — |
| Wolfi rolling | open-webui | 0.8.12-r3 | — |
| Wolfi rolling | py3-cassandra-medusa | 0.27.1-r2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | aiohttp | < 3.13.4 | 3.13.4 | GHSA-p998-jp59-783m |
Advisories 1
- WID-SEC-2026-2933 Splunk SOAR: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026