CVE-2026-2206
Published: 08 February 2026
Summary
CVE-2026-2206 is a medium-severity Incorrect Privilege Assignment (CWE-266) vulnerability in Wekan Project Wekan. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 21.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.
Supervision and review of access control activities directly detects and remediates improper access configurations or usages.
Defining account types, requiring approvals for creation, specifying authorizations, monitoring usage, and reviewing accounts directly prevents improper access control by ensuring only authorized accounts exist and are used.
The control requires explicit definition of separated access authorizations, making incorrect privilege assignments that bundle conflicting duties harder to implement.
Ensures privileges are assigned only as necessary rather than incorrectly over-granted.
Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.
Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.
By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Improper access control (CWE-284/266) in admin repair handler allows low-priv authenticated user to perform unauthorized actions, directly enabling exploitation for privilege escalation.
NVD 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…
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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.
Deeper analysisAI
CVE-2026-2206 is a vulnerability involving improper access controls in the Administrative Repair Handler component of WeKan, specifically affecting unknown code in the file server/methods/fixDuplicateLists.js. It impacts WeKan versions up to 8.20 and was published on 2026-02-08. The issue is associated with CWE-266 (Incorrect Privilege Assignment) and CWE-284 (Improper Access Control), with a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
An attacker with low privileges can exploit this vulnerability remotely with low complexity and no user interaction required. Successful exploitation allows improper access controls, resulting in limited impacts to confidentiality, integrity, and availability.
Mitigation requires upgrading to WeKan version 8.21, which resolves the issue via patch commit 4ce181d17249778094f73d21515f7f863f554743. Details are available in the WeKan GitHub repository, release notes for v8.21, and VulDB entries.
Details
- CWE(s)