Medium severity · published Feb 8, 2026
CVE-2026-2207
WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
A weakness has been identified in WeKan up to 8.20. This issue affects some unknown processing of the file server/publications/activities.js of the component Activity Publication Handler. Executing a manipulation can lead to information disclosure. It is possible to launch the attack remotely. Upgrading to version 8.21 is capable of addressing this issue. This patch is called 91a936e07d2976d4246dfe834281c3aaa87f9503. You should upgrade the affected component.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% 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-2026-2207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2207
Product
https://github.com/wekan/wekan/
Patch
https://github.com/wekan/wekan/commit/91a936e07d2976d4246dfe834281c3aaa87f9503
Product
https://github.com/wekan/wekan/releases/tag/v8.21
Permissions Required
https://vuldb.com/?ctiid.344921
Third Party Advisory
https://vuldb.com/?id.344921
Third Party Advisory
https://vuldb.com/?submit.752163
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