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CVE-2026-88789— Apache Camel Quarkus: Camel Quarkus: Forced Xalan TransformerFactory drops upstream external-DTD/stylesheet hardening

一分钟漏洞结论

影响对象
Apache Software Foundation Apache Camel Quarkus
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Improper Restriction of XML External Entity Reference in the XSLT support extension (camel-quarkus-support-xalan) in Apache Camel Quarkus from 3.2.0 before 3.33.3 and from 3.34.0 before 3.40.0 on all platforms allows an attacker who supplies the XML document b

CVSS 8.6 · High
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一、 漏洞 CVE-2026-88789 基础信息

漏洞信息

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Vulnerability Title
Apache Camel Quarkus: Camel Quarkus: Forced Xalan TransformerFactory drops upstream external-DTD/stylesheet hardening
来源: CVE Program / CVE List V5
Vulnerability Description
Improper Restriction of XML External Entity Reference in the XSLT support extension (camel-quarkus-support-xalan) in Apache Camel Quarkus from 3.2.0 before 3.33.3 and from 3.34.0 before 3.40.0 on all platforms allows an attacker who supplies the XML document being transformed to read local files or issue requests to internal network locations via an external entity declaration in that document. The extension supplies its own Xalan-backed TransformerFactory to the xslt component and registers it as the JAXP default. Xalan-J 2.7.x predates JAXP 1.5 and does not honour javax.xml.XMLConstants.ACCESS_EXTERNAL_DTD or ACCESS_EXTERNAL_STYLESHEET, so the external access restrictions Apache Camel applies to the TransformerFactory it creates were not in effect. On the xslt component path this affects message bodies that reach the transformer already as a javax.xml.transform.Source; bodies of other types are converted to a SAXSource by Apache Camel with external entities and external DTD loading disabled, and are not affected. Because the factory is also the JAXP default, other code in the application obtaining one through TransformerFactory.newInstance() loses the same restrictions without error. Applications are affected if they use any of camel-quarkus-xslt, camel-quarkus-xslt-saxon, camel-quarkus-tika or camel-quarkus-xmlsecurity, each of which brings the XSLT support extension onto the classpath. For all but camel-quarkus-xslt, the exposure is limited to the JAXP default factory, since those extensions do not perform XSLT transformations themselves. Users are recommended to upgrade to version 3.33.3 or 3.40.0, which fixes this issue.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Apache Software Foundation Apache Camel Quarkus 3.2.0 ~ 3.33.3 -

二、漏洞 CVE-2026-88789 的公开POC

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三、漏洞 CVE-2026-88789 的情报信息

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CVE-2026-88789 其他参考 (4)

同批安全公告 · Apache Software Foundation · 2026-10-01 · 共 8 条

CVE-2026-94250 8.2 HIGH Apache APISIX: Batch response aggregation can exhaust worker memory
CVE-2026-94212 6.4 MEDIUM Apache APISIX: unauthenticated impersonation issue in saml-auth
CVE-2026-94269 6.3 MEDIUM Apache APISIX: Servlet-style normalization creates a route/upstream authorization mismatch
CVE-2026-78242 5.7 MEDIUM Apache APISIX: data-mask may fail to redact request headers in logger output
CVE-2026-82806 5.3 MEDIUM Apache APISIX: cross-request permission pollution via static permission list mutation
CVE-2026-94276 5.1 MEDIUM Apache APISIX: Openid-connect introspection validation issue
CVE-2026-94220 2.1 LOW Apache APISIX: session fixation issue in feishu-auth and dingtalk-auth plugin

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-611

V. Comments for CVE-2026-88789

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