Information Disclosure

undici is vulnerable to Sensitive Information Exposure. The vulnerability is due to improper parsing of whitespace around qualified Cache-Control directives, causing authenticated responses to be incorrectly stored in shared caches and potentially served to unauthorized users...

undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives

Impact Undici's cache interceptor mishandles optional whitespace OWS placed around the = of a qualified no-cache or private Cache-Control directive, such as no-cache ="authorization" OWS before = or no-cache= "authorization" OWS after =. The parser either drops the directive entirely or stores a...

DEBIAN-CVE-2026-14643

undici's cache interceptor mishandles optional whitespace placed around the equals sign of a qualified no-cache or private Cache-Control directive. In undici from 7.0.0 up to before 7.29.0 and from 8.0.0 up to before 8.9.0, the parser either drops the directive or stores a field name with literal...