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

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-2026-85718: 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-2026-85720: 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...

PT-2026-94394

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 3.0.8 through 3.0.11 Description A connection permit leak occurs when TLS connection establishment fails before the handshake completes. This happens because the NettyConnectListener removes the partitionKeyLock permit...

PT-2026-95005

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 3.0.8 through 3.0.11 Description In the auth interceptor, the functions processScramAuthenticationInfo and processAuthenticationInfo compute the SCRAM ServerSignature or Digest rspauth verification result but fail to a...

PT-2026-94393

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.14.5 through 2.16.0 AsyncHttpClient versions 3.0.9 through 3.0.11 Description A client configured with a client-wide Realm and redirect following can disclose credentials during a cross-origin redirect. This occurs...

PT-2026-94395

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.0.0 through 2.16.0 AsyncHttpClient versions 3.0.0 through 3.0.11 Description When using an HTTP proxy to reach an HTTPS origin, the library may expose preemptive origin credentials. This occurs because...

PT-2026-94385

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.1.0 through 2.16.0 AsyncHttpClient versions 3.0.1 through 3.0.11 Description Requests using an authenticated SOCKS proxy can expose proxy credentials to the origin server. This occurs 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...

PT-2026-94396

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.0.0 through 2.16.0 AsyncHttpClient versions 3.0.0 through 3.0.11 Description Automatic response decompression on the HTTP/1.1 path uses ChannelManager.newHttpContentDecompressor to install Http1ContentDecompressor...

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...

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...

EUVD-2026-41134

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

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 async-http-client 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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-55688

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. In versions from 2.0.0 prior...