GHSA-4CWX-7WF7-3272 undici vulnerable to cross-user information disclosure and parse-time crash via degenerate private cache directives

Summary Two issues in undici's cache interceptor, both fixed by the same patch on lib/util/cache.js: 1. Shared-cache disclosure: Responses with malformed qualified Cache-Control: private directives such as private="" or private="," can be incorrectly stored in the default shared cache, then serve...

Linux Distros Unpatched Vulnerability : CVE-2026-14643

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - undici's cache interceptor mishandles optional whitespace placed around the equals sign of a qualified no- cache or private Cache-Control directive. In undici...

CVE-2026-9678

Impact: Undici's cache interceptor incorrectly classifies some responses as cacheable when the upstream Cache-Control header uses whitespace-padded qualified private or no-cache field names such as private=" authorization" or no-cache="\tauthorization". The parser preserves the surrounding...