PT-2026-6631 · Wekan · Wekan

Megamansec · Published 2026-02-05 · Updated 2026-03-06 · CVE-2026-1963

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions WeKan versions up to 8.20

Description A flaw exists in WeKan that relates to improper access controls within the Attachment Storage component. The issue is located in the file models/attachments.js and impacts an unknown function. This manipulation can be initiated remotely. Upgrading to version 8.21 resolves this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d.

Recommendations Upgrade to WeKan version 8.21. Upgrade the affected component.

Fix

Incorrect Privilege Assignment

Improper Access Control

Weakness Enumeration

CWE-266

CWE-284

Related Identifiers

CVE-2026-1963

Affected Products

Wekan

References · 12

• https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d · Patch
• https://github.com/wekan/wekan/releases/tag/v8.21 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-1963 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1963 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2019633773713739822 · Twitter Post
• https://vuldb.com/?id.344485 · Note
• https://t.me/cveNotify/154541 · Telegram Post
• https://github.com/wekan/wekan · Note
• https://t.me/CVEtracker/43868 · Telegram Post
• https://vuldb.com/?ctiid.344485 · Note
• https://vuldb.com/?submit.742678 · Note
• https://twitter.com/CVEnew/status/2019524720522117278 · Twitter Post