CVE-2026-69243

ADVISORY - github

Summary

The HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades.

Impact

If using the server-side component, it may be possible for an attacker to execute a request smuggling vulnerability using an edge case in the WebSocket upgrade procedure. AIOHTT is unaware of any public exploit code.

Patch: https://github.com/aio-libs/aiohttp/commit/6ae358f0983c3f4d6f67692b2f8e65dc8e091c98

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-444⁠

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

ADVISORY - github

CWE-444⁠

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Impacted images

Advisories

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