TNCVE-2026-34518 — Vulnetix

TNCVE-2026-34518 PUBLISHED

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.

Timeline

Apr 1, 2026 CVE Published

References

Tenable: CVE-2026-34518 advisory

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