Vulnerability · Published Feb 8, 2026 · Assigned by VulDB

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

Medium 6.3

In plain English

A medium-severity improper access control in WeKan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.3%top 79.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	WeKan	8.08.18.28.38.48.58.68.7

Weakness: CWE-284, CWE-266 · Vector: 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

References

VDB-344920 | WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access control vdb-entry, technical-description
VDB-344920 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #752162 | Wekan <8.21 Improper access control on administrative repair method third-party-advisory
https://github.com/wekan/wekan/commit/4ce181d17249778094f73d21515f7f863f554743 patch
https://github.com/wekan/wekan/releases/tag/v8.21 patch
https://github.com/wekan/wekan/ product