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Vulnerability DatabaseCVE-2026-32239

CVE-2026-32239: 
NixOS vulnerability analysis and mitigation

Cap'n 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.

Source: NVD

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Component name

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Has fix

Published date

CVE-2026-2370HIGH8.8
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