CVE-2026-45300 async-http-client: Cookie header not stripped on cross-origin redirect

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Versions on the 2.x branch prior to 2.15.0 and the 3.x branch prior to 3.0.10 leak Cookie headers to cross-origin redirect targets. When following a redirect to a...

CVE-2026-40490 AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When redirect following is enabled followRedirecttrue, versions of AsyncHttpClient prior to 3.0.9 and 2.14.5 forward Authorization and Proxy-Authorization headers...

CVE-2026-40490

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When redirect following is enabled followRedirecttrue, versions of AsyncHttpClient prior to 3.0.9 and 2.14.5 forward Authorization and Proxy-Authorization headers...

com.akamai.edgegrid:edgegrid-signer-async-http-client (>=6.0.1 <=6.0.3-rc.1), com.arpnetworking.metrics:mad-experimental (>=1.2.4 <=1.2.11) +66 more potentially affected by CVE-2026-40490 via org.asynchttpclient:async-http-client (>=3.0.0.Beta1 <=3.0.7)

org.asynchttpclient:async-http-client MAVEN version =3.0.0.Beta1, =6.0.1, =1.2.4, =1.22.5, =1.13.8, =1.1.0, =0.4.8, =0.4.8, =0.4.8, =1.17.0, =1.17.0, =1.17.0, =0.5.0, =2.7.3, =218.0.0, =14.5.0, =16.0.0 and more Source cves: CVE-2026-40490 Source advisory: SNYK:JAVA-ORGASYNCHTTPCLIENT-16032254...

CVE-2026-34525 AIOHTTP: Duplicate Host header accepted

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

DEBIAN-CVE-2024-53990

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore aka cookie jar will silently replace explicitly defined Cookies with any that ha...

CVE-2024-45810

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy will crash when the http async client is handling sendLocalReply under some circumstance, e.g., websocket upgrade, and requests mirroring. The http async client will crash during the sendLocalReply in http async client, one...

async-http-client: Invalid URL parsing with '?'

Async Http Client aka async-http-client before 2.0.35 can be tricked into connecting to a host different from the one extracted by java.net.URI if a '?' character occurs in a fragment identifier. Similar bugs were previously identified in cURL CVE-2016-8624 and Oracle Java 8 java.net.URL...

async-http-client: SSL/TLS certificate verification is disabled under certain conditions

It was found that async-http-client would disable SSL/TLS certificate verification under certain conditions, for example if HTTPS communication also used client certificates. A man-in-the-middle MITM attacker could use this flaw to spoof a valid certificate...