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CVE-2026-30846— Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication

Quick assessment

Affected
Wekan Wekan
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.

WeKan是WeKan开源的一个看板应用程序。 Wekan 8.31.0至8.33版本存在访问控制错误漏洞，该漏洞源于全局Webhook发布缺少访问控制，可能导致Webhook令牌泄露。

AI Predicted 9.1 Difficulty: Easy EPSS 0.63% · P48

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-30846

Vulnerability Information
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Vulnerability Title
Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication
Source: CVE Program / CVE List V5
Vulnerability Description
Wekan is an open source kanban tool built with Meteor. In versions 8.31.0 through 8.33, the globalwebhooks publication exposes all global webhook integrations—including sensitive url and token fields—without performing any authentication check on the server side. Although the subscription is normally invoked from the admin settings page, the server-side publication has no access control, meaning any DDP client, including unauthenticated ones, can subscribe and receive the data. This allows an unauthenticated attacker to retrieve global webhook URLs and authentication tokens, potentially enabling unauthorized use of those webhooks and access to connected external services. This issue has been fixed in version 8.34.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WeKan 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeKan是WeKan开源的一个看板应用程序。 Wekan 8.31.0至8.33版本存在访问控制错误漏洞，该漏洞源于全局Webhook发布缺少访问控制，可能导致Webhook令牌泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wekan Wekan >= 8.31.0, < 8.34 -

II. Public POCs for CVE-2026-30846

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III. Intelligence Information for CVE-2026-30846

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Patches & Fixes for CVE-2026-30846 (1)

Vendor Advisories for CVE-2026-30846 (1)

Vendor Pages for CVE-2026-30846 (1)

Same Patch Batch · Wekan · 2026-03-06 · 5 CVEs total

CVE-2026-30845 Wekan Exposes Sensitive Data through Lack of Field Filtering During Board Publication
CVE-2026-30844 Wekan Vulnerable to SSRF through Lack of Validation or Filtering in Attachment URL Loading
CVE-2026-30847 Wekan Credential Leak via notificationUsers Publication Exposes Password Hashes and Sessio
CVE-2026-30843 Wekan has Cross-Board IDOR in Custom Fields Update Endpoints

IV. Related Vulnerabilities

Same product: Wekan
Same vendor: Wekan
Same weakness: CWE-306

V. Comments for CVE-2026-30846

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