Wekan
CVE-2026-25562
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V6 - Authentication Timing-safe comparisons
|
| Impact | CVSS 4.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitation no authentication required. |
| Exploit ScenarioDerived | An attacker without authentication could exploit this vulnerability to compromise the affected system. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 12, 2026
Wekan versions before 8.19 fail to properly restrict attachment metadata visibility, allowing authenticated users to enumerate attachment information from boards and cards they should not have access to. This information disclosure vulnerability requires valid credentials and can expose sensitive metadata to unauthorized users across the platform. A patch is available.
Earlier versions of this analysis (1)
WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potentially exposing attachment metadata to unauthorized users. [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
Affects Wekan. WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potentially exposing attachment metadata to unauthorized users.
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
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Primary rating from Vendor (vulncheck) · only source for this CVE.
CVSS VectorVendor: vulncheck
Lifecycle Timeline
3DescriptionCVE.org
WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potentially exposing attachment metadata to unauthorized users.
Executive ViewAI
CVE-2026-25562 presents moderate security risk rated CVSS 4.3. Exploitation could compromise the security of affected deployments. 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
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
NVD
CVE.org
EPSS
GitHub
VulDB
Exploit-DB