PT-2026-29607
CVE-2026-34518
·
Published
2026-02-27
·
Updated
2026-10-06
Description by
CVSS 4.0
6.9
MediumMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions
AIOHTTP versions prior to 3.13.4
Description
When following redirects to a different origin, aiohttp removes the
Authorization header while keeping the Cookie and Proxy-Authorization headers. This could lead to the leakage of sensitive information contained in the Cookie and Proxy-Authorization headers to an unintended party.Recommendations
Update to AIOHTTP version 3.13.4 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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