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CVE-2026-34520
CRITICAL(9.1)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Risk Signal Score23/100 — NIEDRIG
- CVSS 9.1 — Kritisch
Erwähnungen (letzte 60 Tage)
Artikel
EPSS-Score
0.5%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
9.1
Technische Schwere
Beschreibung
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.
Betroffene Produkte
- cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*
GitHub Advisories
GHSA-63hf-3vf5-4wqfLOW
AIOHTTP's C parser (llhttp) accepts null bytes and control characters in response header values - header injection/security bypass
pip/aiohttp→ 3.13.4
GitHub Advisory