EUVD-2026-94589

AsyncHttpClient CookieStore Silently Overrides Caller's Explicit Cookie Header via setHeader Bypass of CVE-2024-53990 Fix...

AsyncHttpClient: Cookie Domain attribute is not checked against the public suffix list, so a cookie can be set for co.uk

Impact The cookie store decides whether a Domain attribute may be accepted using only the domain-matching rule of RFC 6265 Section 5.1.3, which asks whether the request host is the domain or ends with a dot followed by it. Section 5.3 step 5, which additionally requires rejecting a Domain that is...

CVE-2026-107228

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the enabled-by-default cookie store replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contribut...

DEBIAN-CVE-2026-107228

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the enabled-by-default cookie store replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contribut...

CVE-2026-107228

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the enabled-by-default cookie store replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contribut...

CVE-2026-107228

Removed by vendor...

PT-2026-107678

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.1.0 through 3.0.13 Description The enabled-by-default cookie store in the AsyncHttpClient library replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contributes any cookie...

PT-2026-98893

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 4.2.0 through 4.2.7 RabbitMQ versions 4.3.0 through 4.3.1 Description A successful request to the 'POST /login' endpoint causes the is authorized/2 function to set an authentication cookie containing base64-encoded username a...

EUVD-2026-41134

AsyncHttpClient stores cookie for an unrelated domain cookie tossing via ThreadSafeCookieStore...

CVE-2026-19974

A security flaw has been discovered in treefrogframework treefrog-framework up to 2.11.2. This vulnerability affects the function std::strncmp of the file src/tsessioncookiestore.cpp of the component Session Cookie Handler. The manipulation results in improper authentication. The attack can be...

CVE-2026-55688

A flaw was found in the AsyncHttpClient AHC library. The ThreadSafeCookieStore component did not properly verify the domain attribute of cookies, allowing a malicious host to set a cookie for an unrelated domain. This cookie would then be sent by the client in subsequent requests to the targeted...

Sensitive Cookie with Improper SameSite Attribute

Overview org.asynchttpclient:async-http-client is a maven plugin for the Async Http Client AHC classes. Affected versions of this package are vulnerable to Sensitive Cookie with Improper SameSite Attribute via ThreadSafeCookieStore in ThreadSafeCookieStore.add.... An attacker can plant a cookie f...

CVE-2026-55688

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

UBUNTU-CVE-2026-55688

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

CVE-2026-55688 AsyncHttpClient: Cookie stored for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

CVE-2026-55688

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

CVE-2026-55688

Affected software: AsyncHttpClient (AHC) library for Java. Vulnerable versions: 2.0.0 up to (but not including) 2.16.0, and 3.0.0.Beta1 up to (but not including) 3.0.11. Root cause: ThreadSafeCookieStore may store a cookie using the.Domain value without validating that the responding host is allo...

CVE-2026-55688 AsyncHttpClient: Cookie stored for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

CVE-2026-55688

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...

CVE-2026-55688 AsyncHttpClient: Cookie stored for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior to 2.16.0 and from 3.0.0.Beta1 prior to 3.0.11, ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without...