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...

Sensitive Information Disclosure

undici is vulnerable to Sensitive Information Disclosure. The vulnerability is due to improper handling of malformed Cache-Control private directives, allowing private cached responses to be served to other callers or crafted headers to trigger an uncaught TypeError and potentially terminate the...

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...

GHSA-JR45-8VMC-QM54 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...

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

NPM: undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives vulnerability discovered by ? in WordPress Npm undici versions = 7.0.0, 7.29.0...

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...

undici: undici: Cross-user information disclosure due to improper Cache-Control directive parsing

A flaw was found in undici. The cache interceptor in undici improperly handles optional whitespace around the equals sign in no-cache or private Cache-Control directives. This vulnerability allows an attacker to bypass cache restrictions, leading to cross-user information disclosure. Specifically...

undici: undici: Information disclosure and Denial of Service via malformed Cache-Control directives

A flaw was found in undici. This vulnerability allows for cross-user information disclosure when malformed Cache-Control private directives cause private response bodies and headers, such as Set-Cookie data, to be stored in a shared cache and subsequently exposed to other users. Additionally, a...

Interpretation Conflict

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Interpretation Conflict via the parseCacheControlHeader function in lib/util/cache.js and the cache interceptor. An attacker can cause a shared cached response containing...

Interpretation Conflict

Overview org.webjars.npm:undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Interpretation Conflict via the parseCacheControlHeader function in lib/util/cache.js and the cache interceptor. An attacker can cause a shared cached...

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...

UBUNTU-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...

undici: undici: Information disclosure and Denial of Service via malformed Cache-Control directives

A flaw was found in undici. This vulnerability allows for cross-user information disclosure when malformed Cache-Control private directives cause private response bodies and headers, such as Set-Cookie data, to be stored in a shared cache and subsequently exposed to other users. Additionally, a...

undici: undici: Cross-user information disclosure due to improper Cache-Control directive parsing

A flaw was found in undici. The cache interceptor in undici improperly handles optional whitespace around the equals sign in no-cache or private Cache-Control directives. This vulnerability allows an attacker to bypass cache restrictions, leading to cross-user information disclosure. Specifically...

CVE-2026-14643 undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives

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...

CVE-2026-14643 undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives

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...

CVE-2026-14643

undici contains a cache-interceptor vulnerability where optional whitespace around the = in qualified no-cache or private Cache-Control directives is not normalized. In affected releases (7.0.0–7.28.x and 8.0.0–8.8.x), the parser may drop the directive or store a quoted field name, causing a cach...

CVE-2026-14643 undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives

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...

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...

Information Exposure

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Information Exposure via the cache-control parser in lib/util/cache.js used by interceptors.cache. An attacker can cause a private response to be stored in the shared...