CVE-2026-94212— Apache APISIX: unauthenticated impersonation issue in saml-auth
一分钟漏洞结论
影响对象
Apache Software Foundation Apache APISIX
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 APISIX 中存在一个加密签名验证不当的漏洞。 在默认配置下，任何未经身份验证的攻击者都可以冒充受 SAML 认证插件保护的所有路由中的任意用户。该漏洞影响 Apache APISIX 的 3.17.0 至 3.18.0 版本。 建议用户升级至 3.19.0 版本，该版本已修复此问题。
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一、 漏洞 CVE-2026-94212 基础信息
漏洞信息
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Vulnerability Title
Apache APISIX: unauthenticated impersonation issue in saml-auth
来源: CVE Program / CVE List V5
Vulnerability Description
Improper verification of cryptographic signature vulnerability in Apache APISIX.
Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.
Users are recommended to upgrade to version 3.19.0, which fixes the issue.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
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 APISIX | 3.17.0 ~ 3.18.0 | - |
|
二、漏洞 CVE-2026-94212 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-94212 其他参考 (1)
同批安全公告 · Apache Software Foundation · 2026-10-01 · 共 8 条
| CVE-2026-88789 | 8.6 HIGH | Apache Camel Quarkus: Camel Quarkus: Forced Xalan TransformerFactory drops upstream extern |
| CVE-2026-94250 | 8.2 HIGH | Apache APISIX: Batch response aggregation can exhaust worker memory |
| 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 product: Apache APISIX
-
CVE-2026-94276
Apache APISIX: Openid-connect introspection validation issue -
CVE-2026-94269
Apache APISIX: Servlet-style normalization creates a route/u -
CVE-2026-94250
Apache APISIX: Batch response aggregation can exhaust worker -
CVE-2026-94220
Apache APISIX: session fixation issue in feishu-auth and din -
CVE-2026-82806
Apache APISIX: cross-request permission pollution via static
Same vendor: Apache Software Foundation
-
CVE-2026-94276
Apache APISIX: Openid-connect introspection validation issue -
CVE-2026-94269
Apache APISIX: Servlet-style normalization creates a route/u -
CVE-2026-94250
Apache APISIX: Batch response aggregation can exhaust worker -
CVE-2026-94220
Apache APISIX: session fixation issue in feishu-auth and din -
CVE-2026-82806
Apache APISIX: cross-request permission pollution via static
V. Comments for CVE-2026-94212
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