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CVE-2026-85720 is an information-disclosure vulnerability in Java AsyncHttpClient (AHC) versions 2.0.0 through versions before 2.16.1, and affected 3.x versions before 3.0.12. When an application accesses an HTTPS origin through an HTTP proxy, NettyRequestFactory and NettyRequestSender.sendRequestWithNewChannel can add origin Authorization material to the plaintext HTTP CONNECT request before establishment of the TLS tunnel. This can send preemptive Basic or Digest credentials, or per-connection NTLM, Kerberos, or SPNEGO tokens intended for the origin, to the proxy and expose them on the client-to-proxy hop.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An information-disclosure vulnerability in AsyncHttpClient where origin credentials may be included in an unencrypted HTTP CONNECT request to a proxy before an HTTPS TLS tunnel is established, exposing Basic, Digest, NTLM, Kerberos, or SPNEGO credentials or tokens to the proxy or observers on the client-to-proxy connection.
An AsyncHttpClient credential-disclosure vulnerability in which preemptive origin authentication credentials or tokens are attached to an unencrypted HTTP CONNECT request sent through a proxy, exposing credentials intended for the HTTPS origin.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.