VDB
TNCVE-2026-34520
TNCVE-2026-34520
PUBLISHED
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.
Exploit Intelligence
- tmp_audit.json (github-poc)
- releases.json (github-poc)
- 8.4-dev.yaml (github-poc)
Timeline
- Apr 1, 2026 CVE Published
References
- Tenable: CVE-2026-34520 advisory