CVE-2026-21880

Kanboard LDAP Injection Vulnerability can Lead to User Enumeration and Information Disclosure

State: Published
Severity: 5.3 Medium
Published: Jan 8, 2026
Updated: Jan 8, 2026
Reserved: Jan 5, 2026

Description

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below have an LDAP Injection vulnerability in the LDAP authentication mechanism. User-supplied input is directly substituted into LDAP search filters without proper sanitization, allowing attackers to enumerate all LDAP users, discover sensitive user attributes, and perform targeted attacks against specific accounts. This issue is fixed in version 1.2.49.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
kanboardkanboard	< 1.2.49Affected

References

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