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CVE-2026-71896— Apache DolphinScheduler: Missing Authorization Checks Allow Unauthorized Disclosure of User Account Information

Quick assessment

Affected
Apache Software Foundation Apache DolphinScheduler
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 DolphinScheduler 存在一个授权漏洞。经过身份验证的用户可通过 /dolphinscheduler/users/list-all 接口，在无需相应权限的情况下获取其他用户的账户信息。 该接口在返回用户账户信息前未执行必要的授权检查。因此，已认证用户可访问其无权查看的账户信息。 成功利用此漏洞可能导致敏感用户信息泄露，并辅助攻击者进行账户枚举。 该问题影响 Apache DolphinScheduler 3.4.3 之前的版本。 建议用户升级至修复此问题的 3.4.3 版本。

AI Predicted 5.4 Difficulty: Easy
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I. Basic Information for CVE-2026-71896

Vulnerability Information
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Vulnerability Title
Apache DolphinScheduler: Missing Authorization Checks Allow Unauthorized Disclosure of User Account Information
Source: CVE Program / CVE List V5
Vulnerability Description
An authorization vulnerability in Apache DolphinScheduler allows authenticated users to retrieve other users' account information through the /dolphinscheduler/users/list-all endpoint without the required permissions. The endpoint fails to enforce the necessary authorization checks before returning user account information. As a result, an authenticated user can access account information they are not authorized to view. Successful exploitation may expose sensitive user information and facilitate account enumeration. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache DolphinScheduler 0 ~ 3.4.3 -

II. Public POCs for CVE-2026-71896

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III. Intelligence Information for CVE-2026-71896

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Other References for CVE-2026-71896 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-08 · 6 CVEs total

CVE-2026-71895 Apache DolphinScheduler: Missing Authorization Checks Allow Non-Admin Users to Retrieve Ku
CVE-2026-71183 Apache DolphinScheduler: Missing Authorization Checks Allow Disclosure of Data Source Info
CVE-2026-66087 Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint
CVE-2026-66084 Apache DolphinScheduler: Project Authorization Bypass in the Task Definition with-upstream
CVE-2026-66082 Apache DolphinScheduler: Cross-project authorization bypasses in DolphinScheduler API (sch

IV. Related Vulnerabilities

Same product: Apache DolphinScheduler
Same vendor: Apache Software Foundation
Same weakness: CWE-863

V. Comments for CVE-2026-71896

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