CVE-2026-34520 PUBLISHED CVSS 2.700000047683716 LOW

AIOHTTP's C parser (llhttp) accepts null bytes and control characters in response header values - header injection/security bypass

Risk Scores

CVSS v4.0
2.700000047683716
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

Affected Products

VendorProductVersions
PyPIaiohttp0
aio-libsaiohttp< 3.13.4

Timeline

References

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