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Vulnerable Software

Vulnerability Details CVE-2026-66713

Deserialization of Untrusted Data (CWE-502) in the Tribes-based clustering component in Apache Software Foundation Apache Axis2/Java through 2.0.0 on Apache Tomcat (only when Tribes clustering is enabled, which is off by default) allows an unauthenticated remote attacker with network access to the clustering port to execute arbitrary code via a crafted serialized Java object delivered to the cluster channel and deserialized in org.apache.axis2.clustering.tribes.Axis2ChannelListener#messageReceived. Users are recommended to upgrade to version 2.0.1, which fixes this issue by removing the clustering feature entirely.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.018

EPSS Ranking 76.8%

CVSS Severity

CVSS v3 Score 9.8

References

Products affected by CVE-2026-66713

Apache » Axis2/java » Version: 0.9

cpe:2.3:a:apache:axis2/java:0.9
Apache » Axis2/java » Version: 0.91

cpe:2.3:a:apache:axis2/java:0.91
Apache » Axis2/java » Version: 0.92

cpe:2.3:a:apache:axis2/java:0.92
Apache » Axis2/java » Version: 0.93

cpe:2.3:a:apache:axis2/java:0.93
Apache » Axis2/java » Version: 0.94

cpe:2.3:a:apache:axis2/java:0.94
Apache » Axis2/java » Version: 0.95

cpe:2.3:a:apache:axis2/java:0.95
Apache » Axis2/java » Version: 1.0

cpe:2.3:a:apache:axis2/java:1.0
Apache » Axis2/java » Version: 1.1

cpe:2.3:a:apache:axis2/java:1.1
Apache » Axis2/java » Version: 1.1.1

cpe:2.3:a:apache:axis2/java:1.1.1
Apache » Axis2/java » Version: 1.2

cpe:2.3:a:apache:axis2/java:1.2
Apache » Axis2/java » Version: 1.3

cpe:2.3:a:apache:axis2/java:1.3
Apache » Axis2/java » Version: 1.4

cpe:2.3:a:apache:axis2/java:1.4
Apache » Axis2/java » Version: 1.4.1

cpe:2.3:a:apache:axis2/java:1.4.1
Apache » Axis2/java » Version: 1.5

cpe:2.3:a:apache:axis2/java:1.5
Apache » Axis2/java » Version: 1.5.1

cpe:2.3:a:apache:axis2/java:1.5.1
Apache » Axis2/java » Version: 1.5.2

cpe:2.3:a:apache:axis2/java:1.5.2
Apache » Axis2/java » Version: 1.5.3

cpe:2.3:a:apache:axis2/java:1.5.3
Apache » Axis2/java » Version: 1.5.4

cpe:2.3:a:apache:axis2/java:1.5.4
Apache » Axis2/java » Version: 1.5.5

cpe:2.3:a:apache:axis2/java:1.5.5
Apache » Axis2/java » Version: 1.5.6

cpe:2.3:a:apache:axis2/java:1.5.6
Apache » Axis2/java » Version: 1.6.0

cpe:2.3:a:apache:axis2/java:1.6.0
Apache » Axis2/java » Version: 1.6.1

cpe:2.3:a:apache:axis2/java:1.6.1
Apache » Axis2/java » Version: 1.6.2

cpe:2.3:a:apache:axis2/java:1.6.2
Apache » Axis2/java » Version: 1.6.3

cpe:2.3:a:apache:axis2/java:1.6.3
Apache » Axis2/java » Version: 1.6.4

cpe:2.3:a:apache:axis2/java:1.6.4
Apache » Axis2/java » Version: 1.7.0

cpe:2.3:a:apache:axis2/java:1.7.0
Apache » Axis2/java » Version: 1.7.1

cpe:2.3:a:apache:axis2/java:1.7.1
Apache » Axis2/java » Version: 1.7.2

cpe:2.3:a:apache:axis2/java:1.7.2
Apache » Axis2/java » Version: 1.7.3

cpe:2.3:a:apache:axis2/java:1.7.3
Apache » Axis2/java » Version: 1.7.4

cpe:2.3:a:apache:axis2/java:1.7.4
Apache » Axis2/java » Version: 1.7.5

cpe:2.3:a:apache:axis2/java:1.7.5
Apache » Axis2/java » Version: 1.7.6

cpe:2.3:a:apache:axis2/java:1.7.6
Apache » Axis2/java » Version: 1.7.7

cpe:2.3:a:apache:axis2/java:1.7.7
Apache » Axis2/java » Version: 1.7.8

cpe:2.3:a:apache:axis2/java:1.7.8
Apache » Axis2/java » Version: 1.7.9

cpe:2.3:a:apache:axis2/java:1.7.9
Apache » Axis2/java » Version: 1.8.0

cpe:2.3:a:apache:axis2/java:1.8.0
Apache » Axis2/java » Version: 1.8.1

cpe:2.3:a:apache:axis2/java:1.8.1
Apache » Axis2/java » Version: 1.8.2

cpe:2.3:a:apache:axis2/java:1.8.2
Apache » Axis2/java » Version: 2.0.0

cpe:2.3:a:apache:axis2/java:2.0.0

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Vulnerability Details CVE-2026-66713

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