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CVE-2026-66713— Apache Axis2/Java: deserialization of untrusted Data

Quick assessment

Affected
Apache Software Foundation Apache Axis2/Java
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Axis2/Java是美国Apache基金会的一个Web服务中间件。 Apache Software Foundation Apache Axis2/Java 2.0.0版本及之前版本存在反序列化注入漏洞，该漏洞源于Tribes-based clustering组件中的反序列化不受信任的数据问题，可能导致未经身份验证的远程攻击者通过网络访问集群端口，利用特制序列化Java对象执行任意代码。

AI Predicted 9.8 Difficulty: Trivial EPSS 1.72% · P77

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Axis2/Java ≤ 2.0.0 affected
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I. Basic Information for CVE-2026-66713

Vulnerability Information
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Vulnerability Title
Apache Axis2/Java: deserialization of untrusted Data
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Axis2/Java 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Axis2/Java是美国Apache基金会的一个Web服务中间件。 Apache Software Foundation Apache Axis2/Java 2.0.0版本及之前版本存在反序列化注入漏洞，该漏洞源于Tribes-based clustering组件中的反序列化不受信任的数据问题，可能导致未经身份验证的远程攻击者通过网络访问集群端口，利用特制序列化Java对象执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Axis2/Java 0 ~ 2.0.0 -

II. Public POCs for CVE-2026-66713

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III. Intelligence Information for CVE-2026-66713

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Mailing List Discussions for CVE-2026-66713 (1)

Same Patch Batch · Apache Software Foundation · 2026-07-28 · 4 CVEs total

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CVE-2026-66299 Apache Tomcat: DoS via WebSocket chat example

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-502