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...

UBUNTU-CVE-2026-13697

undici's cache interceptor mishandles malformed Cache-Control private directives. In undici 7.0.0 up to before 7.29.0 and 8.0.0 up to before 8.9.0, a response carrying a degenerate qualified private directive, such as private set to an empty value, can be stored in the default shared cache and...

CVE-2026-13697

undici's cache interceptor mishandles malformed Cache-Control private directives. In undici 7.0.0 up to before 7.29.0 and 8.0.0 up to before 8.9.0, a response carrying a degenerate qualified private directive, such as private set to an empty value, can be stored in the default shared cache and...

CVE-2026-13697

Summary of a known vulnerability in undici (CVE-2026-13697) : The cache interceptor in undici mishandles degenerate private directives in Cache-Control, enabling two issues in shared mode. First, a response with malformed qualified private directives (for example, private="" or private=",") can b...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...

ALSA-2026:41947 Important: nodejs:22 security, bug fix, and enhancement update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...

RHEL 8 : nodejs:22 (RHSA-2026:41947)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41947 advisory. Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language...

RockyLinux 8 : nodejs:24 (RLSA-2026:39868)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39868 advisory. ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...

ALSA-2026:39868 Important: nodejs:24 security, bug fix, and enhancement update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...

undici: undici vulnerable to HTTP header injection via Set-Cookie percent-decoding

A flaw was found in undici. The cookie parser in the parseSetCookie function incorrectly decodes cookie values, which is contrary to standard specifications. This vulnerability allows an attacker-controlled upstream to inject arbitrary HTTP response headers, such as Set-Cookie, Location, or...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...