High severity · published Feb 8, 2026
CVE-2026-2206
WeKan Administrative Repair fixDuplicateLists.js FixDuplicateBleed access control
8.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WeKan ·
8.0; 8.1; 8.2; 8.3; 8.4; 8.5; +15 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2206
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2206
Product
https://github.com/wekan/wekan/
Patch
https://github.com/wekan/wekan/commit/4ce181d17249778094f73d21515f7f863f554743
Product
https://github.com/wekan/wekan/releases/tag/v8.21
Permissions Required
https://vuldb.com/?ctiid.344920
Third Party Advisory
https://vuldb.com/?id.344920
Third Party Advisory
https://vuldb.com/?submit.752162
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