<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
  <title>pwn.watch: ActiveMQ incident updates</title>
  <link>https://pwn.watch/t/activemq</link>
  <description>Live security incidents worldwide: CVEs, patch status, fixed versions, advisories and the posts that broke them.</description>
  <language>en</language>
  <lastBuildDate>Thu, 16 Apr 2026 00:00:00 GMT</lastBuildDate>
  <atom:link href="https://pwn.watch/t/activemq/feed.xml" rel="self" type="application/rss+xml" />
  <item>
    <title>[high] Apache ActiveMQ: Apache ActiveMQ Improper Input Validation Vulnerability</title>
    <link>https://pwn.watch/i/apache-activemq-cve-2026-34197</link>
    <guid isPermaLink="true">https://pwn.watch/i/apache-activemq-cve-2026-34197</guid>
    <pubDate>Thu, 16 Apr 2026 00:00:00 GMT</pubDate>
    <category>high</category>
    <description>&lt;p&gt;Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection. Added to CISA KEV on 2026-04-16.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Status:&lt;/strong&gt; closed · &lt;strong&gt;Patch:&lt;/strong&gt; patched · &lt;strong&gt;Fixed in:&lt;/strong&gt; See vendor advisory linked in sources&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Latest updates:&lt;/strong&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;2026-04-16: CISA added CVE-2026-34197 to the KEV catalog (due 2026-04-30).&lt;/li&gt;&lt;/ul&gt;
&lt;p&gt;&lt;strong&gt;CVEs:&lt;/strong&gt; CVE-2026-34197&lt;/p&gt;</description>
  </item>
  <item>
    <title>[critical] Apache ActiveMQ OpenWire RCE exploited for HelloKitty ransomware (CVE-2023-46604)</title>
    <link>https://pwn.watch/i/apache-activemq-openwire-rce-cve-2023-46604</link>
    <guid isPermaLink="true">https://pwn.watch/i/apache-activemq-openwire-rce-cve-2023-46604</guid>
    <pubDate>Thu, 02 Nov 2023 00:00:00 GMT</pubDate>
    <category>critical</category>
    <description>&lt;p&gt;A deserialization flaw in ActiveMQ's Java OpenWire protocol marshaller let anyone who could reach a broker run shell commands on it. Within days of the fix, attackers were deploying HelloKitty ransomware through it.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Status:&lt;/strong&gt; closed · &lt;strong&gt;Patch:&lt;/strong&gt; patched · &lt;strong&gt;Fixed in:&lt;/strong&gt; 5.15.16, 5.16.7, 5.17.6, 5.18.3&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Latest updates:&lt;/strong&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;2023-11-02: CISA adds CVE-2023-46604 to the KEV catalog&lt;/li&gt;&lt;li&gt;2023-11-01: Rapid7 reports exploitation in two customer environments, attempting to deploy HelloKitty ransomware (&lt;a href=&quot;https://www.rapid7.com/blog/post/2023/11/01/etr-suspected-exploitation-of-apache-activemq-cve-2023-46604/&quot;&gt;source&lt;/a&gt;)&lt;/li&gt;&lt;li&gt;2023-10-27: Apache publishes the CVE-2023-46604 announcement; fixed releases already out (&lt;a href=&quot;https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt&quot;&gt;source&lt;/a&gt;)&lt;/li&gt;&lt;/ul&gt;
&lt;p&gt;&lt;strong&gt;CVEs:&lt;/strong&gt; CVE-2023-46604&lt;/p&gt;</description>
  </item>
</channel>
</rss>
