Wekan
CVE-2026-2207
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK
2 techniques across 2 tactics: Collection, Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker could exploit this vulnerability to information disclosure. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 12, 2026
WeKan versions up to 8.20 contain an information disclosure vulnerability in the Activity Publication Handler that allows unauthenticated remote attackers to access sensitive data through manipulation of the activities.js file. The vulnerability requires no user interaction and can be exploited over the network with low complexity. Users should upgrade to version 8.21 or apply patch 91a936e07d2976d4246dfe834281c3aaa87f9503 to remediate this issue.
Earlier versions of this analysis (1)
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. [CVSS 5.3 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-200 (Information Exposure). Affects Wekan. 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.
Know when Wekan gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/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 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.
Executive ViewAI
Organizations using WeKan should be aware of moderate risk from CVE-2026-2207, a information exposure vulnerability rated CVSS 5.3. Sensitive information could be exposed to unauthorized parties. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: restrict endpoint access, redact sensitive data in logs.
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
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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