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CVE-2026-40490: Asynchttpclient Cross Domain Credential Leakcve-2026-40490-asynchttpclient-cross-domain-credential-leak

AsyncHttpClient instances unconditionally copy Realm credentials to arbitrary redirect targets without checking domain boundaries. This propagates plaintext credentials on cross-domain redirects or HTTPS-to-HTTP downgrades. To fix this, ensure the realm is stripped when crossing origin boundaries securely.

JavaCVE-2026-40490CWE-522
by Provallyupdated 2026-06-12Apache-2.0
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