What’s Vulnerable › Vulnerabilities

CVE-2026-2207: WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-08 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• WeKan: before 8.21 — fixed in 8.21

How to fix

Upgrade to a fixed version: WeKan 8.21. Check the vendor advisory for mitigations.

References

• https://github.com/wekan/wekan/
• https://github.com/wekan/wekan/commit/91a936e07d2976d4246dfe834281c3aaa87f9503
• https://github.com/wekan/wekan/releases/tag/v8.21
• https://vuldb.com/?ctiid.344921
• https://vuldb.com/?id.344921
• https://vuldb.com/?submit.752163

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