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CVE-2026-107232 Details

Description

The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 on 3.x and 2.16.1 on 2.x, the client infers that an HTTP proxy tunnel exists from the last request method rather than the CONNECT result. After a proxy rejects CONNECT, redirect or authentication handlers can write an origin request and its Authorization credentials onto the still-plaintext proxy connection. Basic credentials can be recovered directly, while NTLM responses may be cracked or relayed. This issue is fixed in versions 3.0.12 and 2.16.1.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/AsyncHttpClient/async-http-client/commit/3a625cb892233c0a6653ac68823a25ffbc80f393	[email protected]
https://github.com/AsyncHttpClient/async-http-client/commit/a87e7b8c81a6f66a4ce23cd43097fbadd1c788ea	[email protected]
https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-2.16.1	[email protected]
https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.12	[email protected]
https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-v9f2-7rw2-gr2x	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-319	Cleartext Transmission of Sensitive Information	[email protected]
CWE-441	Unintended Proxy or Intermediary ('Confused Deputy')	[email protected]
CWE-522	Insufficiently Protected Credentials	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes