<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Apache-Cxf — CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/tags/apache-cxf/</link><description>Trending threats, MITRE ATT&amp;CK coverage, and detection metadata — refreshed continuously.</description><generator>Hugo</generator><language>en</language><managingEditor>hello@craftedsignal.io</managingEditor><webMaster>hello@craftedsignal.io</webMaster><lastBuildDate>Wed, 25 Mar 2026 12:00:00 +0000</lastBuildDate><atom:link href="https://feed.craftedsignal.io/tags/apache-cxf/feed.xml" rel="self" type="application/rss+xml"/><item><title>Apache CXF Vulnerability Allows DoS and Information Disclosure</title><link>https://feed.craftedsignal.io/briefs/2026-03-apache-cxf-dos-info-disclosure/</link><pubDate>Wed, 25 Mar 2026 12:00:00 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2026-03-apache-cxf-dos-info-disclosure/</guid><description>An anonymous remote attacker can exploit a vulnerability in Apache CXF to perform a denial of service attack and disclose sensitive information.</description><content:encoded><![CDATA[<p>A vulnerability exists in Apache CXF that could allow an anonymous, remote attacker to conduct a denial of service (DoS) attack and disclose sensitive information. The specific versions affected are not detailed in this advisory. The attacker exploits an unspecified weakness within Apache CXF&rsquo;s processing capabilities. Successful exploitation leads to service disruption and potentially exposes confidential data handled by the affected Apache CXF instance. This vulnerability poses a significant risk to organizations relying on Apache CXF for their services, potentially impacting availability and data security.</p>
<h2 id="attack-chain">Attack Chain</h2>
<ol>
<li>The attacker identifies a vulnerable Apache CXF endpoint exposed to the internet.</li>
<li>The attacker crafts a malicious request specifically designed to exploit the unspecified vulnerability in Apache CXF.</li>
<li>The malicious request is sent to the vulnerable Apache CXF endpoint.</li>
<li>Apache CXF processes the malicious request, triggering the vulnerability.</li>
<li>The vulnerability leads to excessive resource consumption on the server, causing a denial of service.</li>
<li>The vulnerability also allows the attacker to potentially access sensitive information processed by Apache CXF, leading to data disclosure.</li>
<li>The attacker may then attempt to further exploit the disclosed information or use the disrupted service as part of a larger attack campaign.</li>
</ol>
<h2 id="impact">Impact</h2>
<p>Successful exploitation of this vulnerability can lead to a complete denial of service, rendering applications relying on Apache CXF unavailable. The information disclosure aspect can expose sensitive data, potentially leading to further compromise, reputational damage, and legal repercussions. The number of potential victims is broad, encompassing any organization using vulnerable versions of Apache CXF.</p>
<h2 id="recommendation">Recommendation</h2>
<ul>
<li>Implement rate limiting on Apache CXF endpoints to mitigate potential DoS attacks (Log Source: Webserver).</li>
<li>Monitor Apache CXF logs for unusual request patterns that may indicate exploitation attempts (Log Source: Webserver).</li>
<li>Deploy the Sigma rule <code>Detect Suspicious Apache CXF Request</code> to identify potential exploitation attempts (Sigma Rule).</li>
</ul>
]]></content:encoded><category domain="severity">high</category><category domain="type">advisory</category><category>apache-cxf</category><category>denial-of-service</category><category>information-disclosure</category><category>webserver</category></item><item><title>Apache CXF Multiple Vulnerabilities Allow Information Disclosure and SSRF</title><link>https://feed.craftedsignal.io/briefs/2026-03-apache-cxf-vulns/</link><pubDate>Tue, 24 Mar 2026 10:20:50 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2026-03-apache-cxf-vulns/</guid><description>A remote attacker can exploit multiple vulnerabilities in Apache CXF to disclose information and perform Server-Side Request Forgery (SSRF) attacks.</description><content:encoded><![CDATA[<p>Apache CXF is vulnerable to multiple security flaws that can be exploited by remote attackers. Successful exploitation of these vulnerabilities can lead to sensitive information disclosure and Server-Side Request Forgery (SSRF) attacks. While the specifics of these vulnerabilities are not detailed in this brief, defenders should be aware that applications using Apache CXF may be at risk. Given the potential for significant impact, including the exposure of internal data and the ability to proxy requests through the server, this vulnerability poses a substantial threat and requires immediate attention. Defenders should investigate their exposure and patch or mitigate as soon as possible.</p>
<h2 id="attack-chain">Attack Chain</h2>
<ol>
<li>The attacker identifies an Apache CXF endpoint exposed to the internet.</li>
<li>The attacker crafts a malicious request to exploit an unspecified vulnerability in Apache CXF.</li>
<li>If successful, the vulnerability allows the attacker to read sensitive information from the server&rsquo;s memory or configuration files.</li>
<li>The attacker leverages a separate vulnerability to perform a Server-Side Request Forgery (SSRF) attack, forcing the server to make requests to internal resources.</li>
<li>The attacker uses the SSRF vulnerability to scan internal networks, identifying other vulnerable systems.</li>
<li>The attacker retrieves sensitive data from internal services via SSRF, such as credentials or internal API keys.</li>
<li>The attacker escalates the attack by leveraging the obtained credentials to access other systems.</li>
</ol>
<h2 id="impact">Impact</h2>
<p>Successful exploitation of these vulnerabilities can lead to the disclosure of sensitive information, potentially including user credentials, API keys, and internal data structures. The SSRF vulnerability can allow an attacker to access internal systems and services, leading to further compromise of the network. The impact can range from data breaches to complete system compromise, affecting all sectors that rely on Apache CXF for web service implementation.</p>
<h2 id="recommendation">Recommendation</h2>
<ul>
<li>Inspect web server logs for unusual request patterns targeting Apache CXF endpoints, looking for attempts to access sensitive files or internal resources.</li>
<li>Monitor network traffic for suspicious outbound connections originating from servers running Apache CXF, which might indicate SSRF attempts.</li>
<li>Implement strong input validation and output encoding mechanisms in Apache CXF configurations to prevent information disclosure and SSRF attacks.</li>
<li>Apply all available patches and updates for Apache CXF to remediate known vulnerabilities.</li>
</ul>
]]></content:encoded><category domain="severity">high</category><category domain="type">advisory</category><category>apache-cxf</category><category>ssrf</category><category>information-disclosure</category></item></channel></rss>