CVE-2026-111748: AIOHTTP: Absolute-form request targets can spoof Request.scheme

October 20, 2026

An attacker sending an absolute-form request can spoof the scheme used.

References

github.com/advisories/GHSA-f9xw-jh8m-3mwq
github.com/aio-libs/aiohttp/commit/6d4e7b01f9b951aa084a75d7356e907d4ee80411
github.com/aio-libs/aiohttp/releases/tag/v3.14.4
github.com/aio-libs/aiohttp/security/advisories/GHSA-f9xw-jh8m-3mwq
nvd.nist.gov/vuln/detail/CVE-2026-111748

Code Behaviors & Features

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