AIOHTTP leaks Cookie and Proxy-Authorization headers on cross-origin redirect
### 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
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-34518US | medium5.3 | — | ||
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authoriza… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/aio-libs/aiohttpPACKAGE
- https://github.com/aio-libs/aiohttp/commit/5351c980dcec7ad385730efdf4e1f4338b24fdb6WEB
- https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4WEB
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-966j-vmvw-g2g9WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34518ADVISORY
scry
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