Vulnerabilities
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Vulnerabilities
CVE-2026-55688
AsyncHttpClient: Cookie stored for an unrelated domain (cookie tossing) via ThreadSafeCookieStore
CVE-2026-45300
async-http-client: Cookie header not stripped on cross-origin redirect
CVE-2026-40490
AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects
CVE-2024-53990
AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s
CVE-2023-0040
Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to the network. Users are vulnerable if they pass untrusted data into HTTP header field values without prior sanitisation. Common use-cases here might be to place usernames from a database into HTTP header fields. This vulnerability allows attackers to inject new HTTP header fields, or entirely new requests, into the data stream. This can cause requests to be understood very differently by the remote server than was intended. In general, this is unlikely to result in data disclosure, but it can result in a number of logical errors and other misbehaviours.
