This page lists publicly disclosed CVE vulnerabilities affecting apache httpclient (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-40542 | Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue. | [email protected] | 7.3 | 0.46% | 2026-04-22 | 2026-06-29 |
| CVE-2025-27820 | A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3 release | [email protected] | 7.5 | 0.71% | 2025-04-24 | 2026-06-17 |
| CVE-2020-13956 | Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution. | [email protected] | 5.3 | 8.67% | 2020-12-02 | 2026-06-16 |
| CVE-2013-4366 | http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers to have unspecified impact via vectors involving hostname verification. | [email protected] | 9.8 | 2.18% | 2017-10-30 | 2026-06-16 |
| CVE-2015-5262 | http/conn/ssl/SSLConnectionSocketFactory.java in Apache HttpComponents HttpClient before 4.3.6 ignores the http.socket.timeout configuration setting during an SSL handshake, which allows remote attackers to cause a denial of service (HTTPS call hang) via unspecified vectors. | [email protected] | 4.3 | 19.31% | 2015-10-27 | 2026-06-16 |
| CVE-2014-3577 | org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "CN=" string in a field in the distinguished name (DN) of a certificate, as demonstrated by the "foo,CN=www.apache.org" string in the O field. | [email protected] | 5.8 | 9.15% | 2014-08-21 | 2026-06-16 |
| CVE-2012-5783 | Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service (FPS) merchant Java SDK and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate. | [email protected] | 5.8 | 9.25% | 2012-11-04 | 2026-06-16 |
| CVE-2011-1498 | Apache HttpClient 4.x before 4.1.1 in Apache HttpComponents, when used with an authenticating proxy server, sends the Proxy-Authorization header to the origin server, which allows remote web servers to obtain sensitive information by logging this header. | [email protected] | 4.3 | 6.69% | 2011-07-07 | 2026-06-16 |