CVE-2026-4256
HighCVSS 8.2Summary
An LDAP injection vulnerability in PEAKUP Technology Inc.'s PassGate allows attackers to manipulate LDAP queries due to improper neutralization of special elements. This issue affects all PassGate versions up to April 30, 2026.
Risk Assessment
An attacker can exploit this vulnerability to gain unauthorized access to LDAP directory data, escalate privileges, or bypass authentication mechanisms, posing a serious threat to system confidentiality and integrity.
Recommendation
Immediately update PassGate to the latest version after April 30, 2026, which includes a fix for proper neutralization of special elements in LDAP queries. Until the update, restrict access to LDAP interfaces and implement input validation.
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Original NVD description (English source)
Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in PEAKUP Technology Inc. PassGate allows LDAP Injection. This issue affects PassGate: through 30042026.

