| Package | Affected versions | Patched versions |
|---|---|---|
| aiohttp | < 3.13.4 | 3.13.4 |
| aiohttp | < 3.13.4 | 3.13.4 |
When following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers.
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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