CVE-2026-25560

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{"analysis": {"en": {"generated_at": "2026-04-16T17:22:37.914205+00:00", "value": {"mitigation_remediation": ["Upgrade WeKan to version 8.19 or later, which contains the LDAP filter escaping fix provided in the official patch", "For environments where an immediate upgrade is not feasible, sanitize all user\u2011supplied username input by escaping LDAP control characters (e.g., *, ), and enforce a strict alphanumeric policy for usernames", "Apply network controls to restrict LDAP authentication traffic to known, trusted hosts and monitor authentication logs for anomalous query patterns"], "summary": {"action": "Immediate Patch", "impact": "LDAP authentication filter injection allows an attacker to manipulate LDAP queries during login, potentially bypassing authentication and accessing restricted information"}, "threat_synthesis": {"affected_systems": "All deployed versions of WeKan before 8.19 are affected. The issue is present in the WeKan product from the WeKan project, with no specific build or patch level mentioned beyond the 8.19 cutoff.", "description_and_impact": "The vulnerability allows a malicious user to inject arbitrary LDAP filter content by supplying crafted usernames. This can alter the LDAP query executed during authentication, enabling an attacker to cause the system to authenticate without legitimate credentials or to retrieve unauthorized data.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity, while the EPSS score of <1% signals a very low likelihood of current exploitation. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires remote access to the application\u2019s authentication endpoint and the ability to supply a crafted username, which is commonly available to external attackers once the service is exposed over the network."}}}}, "created": "2026-02-09T10:44:21.868167+00:00", "updated": "2026-04-16T17:30:26.002585+00:00", "vendors": ["wekan_project", "wekan_project$PRODUCT$wekan"]}