ADVISORY

HIGH: undici — 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…

Source undiciPublished 2h ago · Aug 4, 2026Posted on Bluesky

What we hold

Package
undici
Ecosystem
npm
Severity
HIGH
ID
CVE-2026-13697

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…