CVE-2026-102496— Apache XMLSchema: Denial of service through deeply nested schema structures
一分钟漏洞结论
影响对象
Apache Software Foundation Apache XMLSchema
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。
Apache XmlSchema 在构建模式（schema）模型时，未对模式结构的嵌套深度进行限制，因此恶意构造的模式可能导致解析过程中发生递归调用，直至栈溢出。这将导致服务拒绝（DoS）攻击。 建议用户升级至 2.3.3 版本，该版本已修复此问题。
可能的 ATT&CK 技术 1 AI
T1499 · Endpoint Denial of Service
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一、 漏洞 CVE-2026-102496 基础信息
漏洞信息
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Vulnerability Title
Apache XMLSchema: Denial of service through deeply nested schema structures
来源: CVE Program / CVE List V5
Vulnerability Description
Apache XmlSchema doesn't limit how deeply schema structures can be nested when it builds its schema model, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service.
Users are recommended to upgrade to version 2.3.3, which fixes this issue.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
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 XMLSchema | 0 ~ 2.3.3 | - |
|
二、漏洞 CVE-2026-102496 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-102496 其他参考 (1)
-
https://lists.apache.org/thread/9z1vg8wmvwpfw748fb2nb55w4hgbnxol vendor-advisory
同批安全公告 · Apache Software Foundation · 2026-09-29 · 共 18 条
| CVE-2026-102495 | Apache XMLSchema: Denial of service through unbounded recursion when resolving schema impo | |
| CVE-2026-91012 | Apache Karaf: Path Traversal in Config Service Allows Manager-to-Admin Privilege Escalatio | |
| CVE-2026-91048 | Apache Karaf: Missing authorization on the jdbc:* shell command scope allows privilege esc | |
| CVE-2026-91085 | Apache Karaf: config:install missing ACL entry allows privilege escalation to admin | |
| CVE-2026-92142 | Apache Karaf: Authorization bypass in JMX MBean lifecycle operations | |
| CVE-2026-81914 | Apache Airflow Google provider 查询注入漏洞 | |
| CVE-2026-81862 | Airflow Teradata插件云存储凭据泄露漏洞 | |
| CVE-2026-81930 | Apache Airflow Snowflake provider 令牌重定向漏洞 | |
| CVE-2026-86843 | Airflow Teradata插件SQL注入漏洞 | |
| CVE-2026-71897 | Apache DolphinScheduler: Allows unauthorized workflow operations through batch-copy and ba | |
| CVE-2026-102497 | Apache XMLSchema: Denial of service through cyclic schema definitions in the schema walker | |
| CVE-2026-66083 | Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasourc | |
| CVE-2026-82804 | Apache DolphinScheduler 告警脚本命令注入漏洞 | |
| CVE-2026-81569 | Apache DolphinScheduler: Improper Authorization in Sub-Workflow Tasks Allows Unauthorized | |
| CVE-2026-78214 | Apache DolphinScheduler: Actuator Endpoint Authentication Bypass via Percent-Encoded Paths | |
| CVE-2026-71899 | Apache DolphinScheduler: Missing Authorization in query-dynamic-sub-workflows API Leads to | |
| CVE-2026-71898 | Apache DolphinScheduler: Improper Authorization Allows Project Read-Only Users to Execute |
IV. Related Vulnerabilities
Same vendor: Apache Software Foundation
-
CVE-2026-71897
Apache DolphinScheduler: Allows unauthorized workflow operat -
CVE-2026-71898
Apache DolphinScheduler: Improper Authorization Allows Proje -
CVE-2026-71899
Apache DolphinScheduler: Missing Authorization in query-dyna -
CVE-2026-78214
Apache DolphinScheduler: Actuator Endpoint Authentication By -
CVE-2026-81569
Apache DolphinScheduler: Improper Authorization in Sub-Workf
V. Comments for CVE-2026-102496
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