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CVE-2026-107229

AsyncHttpClient: Incomplete origin checks in the default cookie store allow cookie tossing onto public-suffix and IP-address hosts PUBLISHED

Description (CNA)

The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.16.0 until 3.0.14, ThreadSafeCookieStore incompletely validates cookie Domain attributes. Missing private-section and default public-suffix rules, absent A-label normalization, locale-sensitive lowercasing, public-suffix host-only handling, and numeric or IP host checks allow one origin to store a cookie later sent to another origin. Applications sharing one client across trust domains can therefore receive attacker-injected cookies and may be exposed to session fixation. This issue is fixed in version 3.0.14.

Affected (CNA)

Vendor / productVersions
AsyncHttpClient / async-http-clientaffected >= 3.0.11, < 3.0.14; affected >= 2.16.0, <= 2.16.1

CWE

CWE-384, CWE-1275

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.