CVE-2026-85717

CVE-2026-85717 affects the AsyncHttpClient (AHC) Java library, versions 2.14.5–2.16.0 and 3.0.9–3.0.11 . When a client is configured with a client-wide Realm and redirect following , the Interceptors authentication path falls back to the client configuration after redirect handling clears the per...

CVE-2026-85717 AsyncHttpClient: Client-wide realm credentials re-sent to a cross-origin redirect target

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.14.5 to 2.16.0 and from 3.0.9 to 3.0.11, a client configured with a client-wide Realm and redirect following can disclose credentials after a cross-origin...

EUVD-2026-81905

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.14.5 to 2.16.0 and from 3.0.9 to 3.0.11, a client configured with a client-wide Realm and redirect following can disclose credentials after a cross-origin...

CVE-2026-85717

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.14.5 to 2.16.0 and from 3.0.9 to 3.0.11, a client configured with a client-wide Realm and redirect following can disclose credentials after a cross-origin...

CVE-2026-85719 AsyncHttpClient: SOCKS proxy credentials sent to the origin server over plaintext HTTP

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

CVE-2026-85719 AsyncHttpClient: SOCKS proxy credentials sent to the origin server over plaintext HTTP

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

EUVD-2026-81904

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

CVE-2026-85719 AsyncHttpClient: SOCKS proxy credentials sent to the origin server over plaintext HTTP

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

CVE-2026-85719

AsyncHttpClient (AHC) , a Java library for asynchronous HTTP requests, contains a credential-exposure flaw in its SOCKS proxy handling. NettyRequestFactory and NettyRequestSender attach the Proxy-Authorization header without verifying the request is actually being sent to an HTTP proxy, so creden...

CVE-2026-85719

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

CVE-2026-85716: Improper Authentication

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, processScramAuthenticationInfo and processAuthenticationInfo compute the SCRAM ServerSignature or Digest rspauth verification result but log...

CVE-2026-85718: Uncontrolled Resource Consumption

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

CVE-2026-85717: Exposure of Sensitive Information to an Unauthorized Actor

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.14.5 to 2.16.0 and from 3.0.9 to 3.0.11, a client configured with a client-wide Realm and redirect following can disclose credentials after a cross-origin...

CVE-2026-85721: Uncontrolled Resource Consumption

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.0.0 until 2.16.1 and 3.0.12, automatic response decompression on the HTTP/1.1 path uses ChannelManager.newHttpContentDecompressor to install...

CVE-2026-85720: Cleartext Transmission of Sensitive Information

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.0.0 until 2.16.1 and 3.0.12, a request using an HTTP proxy to reach an HTTPS origin can expose preemptive origin credentials because NettyRequestFactory and...

CVE-2026-85719: Cleartext Transmission of Sensitive Information

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 2.16.1 and 3.0.12, requests using an authenticated SOCKS proxy can expose the proxy's credentials to the origin because NettyRequestFactory and...

EUVD-2026-41134

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

AsyncHttpClient stores cookie for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

Impact A cookie tossing / cookie injection issue CWE-1275. ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without verifying that the responding host is allowed to set a cookie for that domain RFC 6265 §5.3 step 6. A host the client connects to can therefore plant a...

GHSA-M452-Q8C9-RG2F AsyncHttpClient stores cookie for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

Impact A cookie tossing / cookie injection issue CWE-1275. ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without verifying that the responding host is allowed to set a cookie for that domain RFC 6265 §5.3 step 6. A host the client connects to can therefore plant a...

USN-8655-1: AsyncHttpClient vulnerability

It was discovered that AsyncHttpClient did not properly verify that the responding host was allowed to set cookies for a given domain in its ThreadSafeCookieStore. An attacker could use this to plant cookies scoped to unrelated domains, which would then be sent on later requests to those domains...