Medium severity · published Feb 5, 2026
CVE-2026-1898
WeKan LDAP User Sync syncUser.js SyncLDAPBleed access control
6.3
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability was determined in WeKan up to 8.20. This affects an unknown part of the file packages/wekan-ldap/server/syncUser.js of the component LDAP User Sync. This manipulation causes improper access controls. It is possible to initiate the attack remotely. Upgrading to version 8.21 is able to mitigate this issue. Patch name: 146905a459106b5d00b4f09453a6554255e6965a. You should upgrade the affected component.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WeKan ·
8.0; 8.1; 8.2; 8.3; 8.4; 8.5; +15 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1898
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1898
Product
https://github.com/wekan/wekan/
Patch
https://github.com/wekan/wekan/commit/146905a459106b5d00b4f09453a6554255e6965a
Release Notes
https://github.com/wekan/wekan/releases/tag/v8.21
Permissions Required
https://vuldb.com/?ctiid.344270
Third Party Advisory
https://vuldb.com/?id.344270
Third Party Advisory
https://vuldb.com/?submit.742676
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