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CVE-2026-94220— Apache APISIX: session fixation issue in feishu-auth and dingtalk-auth plugin

Quick assessment

Affected
Apache Software Foundation Apache APISIX
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 APISIX 中 feishu-auth 和 dingtalk-auth 插件存在跨站请求伪造（CSRF）漏洞。 攻击者若能诱使用户点击一个精心构造的链接，可能导致该用户在受保护路由上的浏览器会话以攻击者的身份而非用户自身的身份建立。随后，用户在该会话中执行的所有操作（包括文件上传、表单提交以及账户绑定等）都将归属于攻击者的账户。 此漏洞影响 Apache APISIX 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。

CVSS 2.1 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-94220

Vulnerability Information
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Vulnerability Title
Apache APISIX: session fixation issue in feishu-auth and dingtalk-auth plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-Site request forgery (CSRF) vulnerability in feishu-auth and dingtalk-auth plugins in Apache APISIX. An attacker who can get a user to click a crafted link may cause that user's browser session on a protected route to be established under the attacker's identity instead of their own. Any work the user then performs in that session, including uploads, form submissions, and account bindings, lands in the attacker's account. 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache APISIX 3.17.0 ~ 3.18.0 -

II. Public POCs for CVE-2026-94220

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III. Intelligence Information for CVE-2026-94220

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Other References for CVE-2026-94220 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-01 · 8 CVEs total

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-2026-94212 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

IV. Related Vulnerabilities

Same product: Apache APISIX
Same vendor: Apache Software Foundation
Same weakness: CWE-352

V. Comments for CVE-2026-94220

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