UNKNOWN PyPI
AIOHTTP: Absolute-form request targets can spoof Request.scheme
GHSA-f9xw-jh8m-3mwq · CVE-2026-111748
Published · Modified
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Description
Summary
An attacker sending an absolute-form request can spoof the scheme used.
Impact
If user code depends on the Request.scheme attribute for anything security related, an attacker may be able to circumvent this logic, tricking the application into thinking a connection is encrypted when it is not, or vice versa.
Workaround
A WAF rule to reject absolute-form requests (legitimate requests should only use this form for proxies).
References
- WEB https://github.com/aio-libs/aiohttp/security/advisories/GHSA-f9xw-jh8m-3mwq
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-111748
- WEB https://github.com/aio-libs/aiohttp/commit/6d4e7b01f9b951aa084a75d7356e907d4ee80411
- PACKAGE https://github.com/aio-libs/aiohttp
- WEB https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4
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