CVE-2026-88900 Apache Camel Camel-Jgroups - Insecure Deserialization

Apache Camel Camel-Jgroups 4.0.0 < 4.18.5, 4.19.0 < 4.22.1 contains an insecure deserialization vulnerability caused by unfiltered Java deserialization of JGroups messages, letting attackers with network access to multicast group execute arbitrary code remotely, exploit requires network access to cluster multicast or bind port and a usable deserialization gadget chain.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-502

Vendor fix

Upgrade to version 4.23.0, or 4.22.1 for 4.22.x stream, or 4.18.5 for 4.18.x stream.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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