Threats Tagged 'cve-2026-84380'
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Threats Tagged 'cve-2026-84380'
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CVE-2026-84380: CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in pydantic httpx2CVE-2026-84380 0 HTTPX2 is a next generation HTTP client for Python. Prior to 2.11.0, Request._prepare() in src/httpx2/httpx2/_models.py can add a body-derived Content-Length header to a request that already contains a caller-supplied Transfer-Encoding header because its setdefault() processing checks each default header independently rather than treating the two framing headers as mutually exclusive. Fixed-size byte, JSON, form, and known-length multipart bodies can therefore be serialized over HTTP/1.1 with both headers, allowing request smuggling or connection desynchronization when downstream intermediaries disagree about which framing header takes precedence. This issue is fixed in version 2.11.0. Join the discussion | CVE Database V5 | 09/02/2026, 17:58:55 UTC Added: 09/02/2026, 18:08:54 UTC |
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