CVE-2026-2206

WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access control

State: Published
Severity: 5.3 Medium
Published: Feb 8, 2026
Updated: Feb 23, 2026
Reserved: Feb 8, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-284 Improper Access Controls
CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
WeKann/a	8.0Affected 8.1Affected 8.2Affected 8.3Affected 8.4Affected 8.5Affected 8.6Affected 8.7Affected 8.8Affected 8.9Affected 8.10Affected 8.11Affected 8.12Affected 8.13Affected 8.14Affected 8.15Affected 8.16Affected 8.17Affected 8.18Affected 8.19Affected 8.20Affected 8.21Not affected

References

VDB-344920 | WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access controlvdb-entrytechnical-description
VDB-344920 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #752162 | Wekan <8.21 Improper access control on administrative repair methodthird-party-advisory
https://github.com/wekan/wekan/commit/4ce181d17249778094f73d21515f7f863f554743patch
https://github.com/wekan/wekan/releases/tag/v8.21patch
https://github.com/wekan/wekan/product

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