GHSA-966j-vmvw-g2g9LowCVSS 5.3
AIOHTTP leaks Cookie and Proxy-Authorization headers on cross-origin redirect
🔗 CVE IDs covered (1)
📋 Description
Summary
When following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers.
Impact
The Cookie and Proxy-Authorizations headers could contain sensitive information which may be leaked to an unintended party after following a redirect.
Patch: https://github.com/aio-libs/aiohttp/commit/5351c980dcec7ad385730efdf4e1f4338b24fdb6
🎯 Affected products1
- pip/aiohttp:<= 3.13.3
🔗 References (5)
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-966j-vmvw-g2g9
- https://nvd.nist.gov/vuln/detail/CVE-2026-34518
- https://github.com/aio-libs/aiohttp/commit/5351c980dcec7ad385730efdf4e1f4338b24fdb6
- https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4
- https://github.com/advisories/GHSA-966j-vmvw-g2g9