Security Advisory

CVE-2026-32239

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-12 19:33:25

Last updated 2026-03-13 16:15:03

Assigner GitHub_M

State PUBLISHED

Description

Capn Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.

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