CVE-2026-32239

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

August 19, 2026

Last Seen

August 19, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical HTTP Request Smuggling Vulnerabilities in Cap'n Proto70.5

Two vulnerabilities (CVE-2026-32239, CVE-2026-32240) in Cap'n Proto were discovered by Chanho Kim and Jihyeok Han, allowing attackers to exploit improper handling of negative Content-Length values and large chunk sizes in HTTP messages. This could lead to HTTP request or response smuggling, potentia...