Frequency
2
occurrences
First Seen
June 3, 2026
Last Seen
June 3, 2026
Exploited in Wild
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Ransomware Use
—
Public Exploits
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Attack Vector
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Vulnerability Overview
Exploitation Activity
Exploitation Intelligence
A critical vulnerability in Apache ActiveMQ, tracked as CVE-2026-42253, has been disclosed, allowing attackers to inject malicious HTTP security headers through improperly handled message properties. This flaw affects both Apache ActiveMQ and ActiveMQ Web components, potentially leading to cross-sit...
Public Exploits
Checking GitHub for proof-of-concept code…