TNCVE-2026-34519 — Vulnetix

TNCVE-2026-34519 PUBLISHED

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.

Timeline

Apr 1, 2026 CVE Published

References

Tenable: CVE-2026-34519 advisory

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