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CVE-2026-2206— WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access control

Quick assessment

Affected
n/a 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 8.20及之前版本存在访问控制错误漏洞，该漏洞源于对组件Administrative Repair Handler的文件server/methods/fixDuplicateLists.js操作不当，可能导致访问控制不当。

CVSS 6.3 · Medium EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2206

Vulnerability Information
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Vulnerability Title
WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access control
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in WeKan up to 8.20. This vulnerability affects unknown code of the file server/methods/fixDuplicateLists.js of the component Administrative Repair Handler. Performing a manipulation results in improper access controls. It is possible to initiate the attack remotely. Upgrading to version 8.21 is able to resolve this issue. The patch is named 4ce181d17249778094f73d21515f7f863f554743. It is advisable to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
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 8.20及之前版本存在访问控制错误漏洞，该漏洞源于对组件Administrative Repair Handler的文件server/methods/fixDuplicateLists.js操作不当，可能导致访问控制不当。
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 8.0 -

II. Public POCs for CVE-2026-2206

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-2206

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Patches & Fixes for CVE-2026-2206 (1)

Vendor Advisories for CVE-2026-2206 (1)

Same Patch Batch · n/a · 2026-02-08 · 5 CVEs total

CVE-2026-2209 6.3 MEDIUM WeKan Custom Translation translationBody.js setCreateTranslation improper authorization
CVE-2026-2207 5.3 MEDIUM WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure
CVE-2026-2208 4.3 MEDIUM WeKan Rules rules.js RulesBleed authorization
CVE-2026-2205 4.3 MEDIUM WeKan Meteor Publication cards.js CardPubSubBleed information disclosure

IV. Related Vulnerabilities

Same product: WeKan
Same vendor: n/a
Same weakness: CWE-284