Wekan
CVE-2026-1897
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 4.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker could exploit this flaw, missing authorization. |
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Alert meAnalysisAIv1 – Mar 12, 2026
WeKan versions up to 8.20 contain an authorization bypass in the position history tracking functionality that allows authenticated remote attackers to access sensitive information without proper permissions. The vulnerability exists in the server/methods/positionHistory.js file and can be exploited by any user with login credentials. Upgrading to version 8.21 or later resolves this issue.
Earlier versions of this analysis (1)
A vulnerability was found in WeKan up to 8.20. Affected by this issue is some unknown functionality of the file server/methods/positionHistory.js of the component Position-History Tracking. [CVSS 4.3 MEDIUM]
RemediationAI
A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-862 (Missing Authorization). Affects Wekan. A vulnerability was found in WeKan up to 8.20. Affected by this issue is some unknown functionality of the file server/methods/positionHistory.js of the component Position-History Tracking. The manipulation results in missing authorization. The attack may be performed from remote. Upgrading to version 8.21 can resolve this issue. The patch is identified as 55576ec17722db094835470b386162c9a662fb60. It is advisable to upgrade the affected component.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
A vulnerability was found in WeKan up to 8.20. Affected by this issue is some unknown functionality of the file server/methods/positionHistory.js of the component Position-History Tracking. The manipulation results in missing authorization. The attack may be performed from remote. Upgrading to version 8.21 can resolve this issue. The patch is identified as 55576ec17722db094835470b386162c9a662fb60. It is advisable to upgrade the affected component.
Executive ViewAI
Organizations using WeKan should be aware of moderate risk from CVE-2026-1897, a missing authorization vulnerability rated CVSS 4.3. Attackers could gain access beyond their authorized level. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
packages/wekan-ldap/server/ldap.js in Wekan before 4.87 can process connections even though they are not authorized by t
OS command injection in Wekan (the open-source Meteor-based kanban board) before version 9.07 lets an authenticated user
Authentication bypass in Wekan (open-source Meteor kanban) before version 9.46 lets an unauthenticated attacker imperson
A stored cross-site scripting (Stored XSS) vulnerability in file preview in WeKan before 6.75 allows remote authenticate
Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scrip
Account takeover in Wekan (open-source Meteor kanban) before 9.32 allows an attacker who controls an OIDC provider accou
Privilege escalation in Wekan open-source kanban (all versions prior to 9.89, dubbed 'SortBleed') allows any board membe
Privilege escalation in the self-hosted Wekan kanban board through version 18.15 allows any authenticated user to rewrit
Stored XSS in Wekan prior to v9.90 allows authenticated board members to upload HTML containing JavaScript disguised as
LDAP filter injection in WeKan before 8.19 allows remote unauthenticated attackers to manipulate LDAP search filters and
Privilege escalation in WeKan (versions prior to 8.35) allows authenticated board members with low privileges to perform
Wekan's outgoing webhook URL validator in versions 8.36 through 9.73 allows authenticated board members to bypass SSRF p
Exploit-DB