What’s Vulnerable › Vulnerabilities

CVE-2026-1962: WeKan Attachment Migration attachmentMigration.js AttachmentMigrationBleed access control

• Severity: critical (CVSS 9.8 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: 2026-02-05 · updated 2026-06-17
• Weakness: CWE-266

Description

A vulnerability has been found in WeKan up to 8.20. The impacted element is an unknown function of the file server/attachmentMigration.js of the component Attachment Migration. The manipulation leads to improper access controls. The attack may be initiated remotely. Upgrading to version 8.21 is sufficient to resolve this issue. The identifier of the patch is 053bf1dfb76ef230db162c64a6ed50ebedf67eee. It is recommended to 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/053bf1dfb76ef230db162c64a6ed50ebedf67eee
• https://github.com/wekan/wekan/releases/tag/v8.21
• https://vuldb.com/?ctiid.344484
• https://vuldb.com/?id.344484
• https://vuldb.com/?submit.742677

Get alerted when CVE-2026-1962 or the next vulnerability affects your stack