CVE-2023-46604
Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
Apache · ActiveMQ
Vulnerability details
Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.
Added to CISA KEV: 2023-11-02
Ransomware campaign use: Known
CISA due date: 2023-11-23
Defensive guidance from CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC