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Critical Oracle Communications Core (Apache HttpClient) CVEs

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Oracle product: Oracle Communications / Core (Apache HttpClient)✕
Overview 1 match · 0 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
1match 0protected0.0% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 1 100.0%
Critical 1 100.0% High 0 0.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 1 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 1 100.0%
split by peak 1 / month
No exploit published: 1 Critical: 1 not blocked: 1 No public exploit: 1
Aug 261 No exploit published1 Critical1 not blocked1 No public exploit1
Aug 26
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-71290 Critical 2026-08-11 No exploit published No public exploit Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicy#BUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonate the server by presenting a valid certificate for a different domain.  Please note the classic version of HttpClient is not affected by this vulnerability.  Affected users are recommended to upgrade to at least version 5.6.4, which fixes the issue.