VDB
CVE-2026-54275
CVE-2026-54275
PUBLISHED
CVSS 2.7 LOW
Reported by GitHub_M · Published June 22, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request server_hostname parameters, then the later calls may succeed by reusing the existing connection when they should have been rejected due to the TLS SNI check. This vulnerability is fixed in 3.14.1.
Risk Scores
CVSS 4.0
2.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| aio-libs | aiohttp | < 3.14.1 |
| chainguard | airflow-3 | 0, 0, 0 |
| chainguard | authentik-2025.12 | 0, 0, 0 |
| chainguard | request-1276 | 0, 0, 0 |
| wolfi | open-webui | 0, 0, 0 |
| aio-libs | aiohttp | < 3.14.1, < 3.14.1 |
| chainguard | py3-vllm-cuda-12.9 | 0, 0, 0 |
| PyPI | aiohttp | 0 |
| chainguard | metaflow-service-fips | 0, 0, 0 |
| chainguard | mlflow | 0, 0, 0 |
| wolfi | airflow-3 | 0, 0, 0 |
| wolfi | mlflow | 0, 0, 0 |
| chainguard | authentik-2026.2 | 0, 0, 0 |
| chainguard | authentik-fips-2025.12 | 0, 0, 0 |
| chainguard | apache-beam-python-3.11-sdk | 0, 0, 0 |
| chainguard | dask-kubernetes-fips | 0, 0, 0 |
| chainguard | airflow-core-2 | 0, 0, 0 |
| chainguard | tritonserver-backend-vllm-cuda-12.9 | 0, 0, 0 |
| chainguard | tritonserver-backend-vllm-cuda-13.0 | 0, 0, 0 |
| chainguard | apache-beam-python-3.13-sdk | 0, 0, 0 |
…and 10 more
Timeline
- Jun 15, 2026 CVE Published
- Jun 23, 2026 Security Advisory
- Jul 4, 2026 EPSS Score
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Aug 28, 2026 EPSS Score
- Sep 5, 2026 EPSS Score