Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-mwh4-6h8g-pg8w | AIOHTTP has HTTP response splitting via \r in reason phrase |
References
History
Thu, 02 Apr 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-1286 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Wed, 01 Apr 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4. | |
| Title | AIOHTTP: HTTP response splitting via \r in reason phrase | |
| Weaknesses | CWE-113 | |
| References |
| |
| Metrics |
cvssV4_0
|
Subscriptions
No data.
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-01T20:26:25.553Z
Reserved: 2026-03-30T16:03:31.047Z
Link: CVE-2026-34519
No data.
Status : Received
Published: 2026-04-01T21:17:00.170
Modified: 2026-04-01T21:17:00.170
Link: CVE-2026-34519
OpenCVE Enrichment
No data.
Github GHSA