AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. This issue has been patched in version 3.13.4.
Metrics
Affected Vendors & Products
References
History
Thu, 02 Apr 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
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| Weaknesses | CWE-497 | |
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threat_severity
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cvssV3_1
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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, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. This issue has been patched in version 3.13.4. | |
| Title | AIOHTTP: Cookie and Proxy-Authorization headers leaked on cross-origin redirect | |
| Weaknesses | CWE-200 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-01T20:15:22.426Z
Reserved: 2026-03-30T16:03:31.047Z
Link: CVE-2026-34518
No data.
Status : Received
Published: 2026-04-01T21:17:00.020
Modified: 2026-04-01T21:17:00.020
Link: CVE-2026-34518
OpenCVE Enrichment
No data.