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LDAP CVE-2026-4256

| EUVDEUVD-2026-42586 HIGH
LDAP Injection (CWE-90)
2026-07-09 TR-CERT GHSA-pxcq-c9px-mh7p
LDAP Code Injection Passgate
8.2
CVSS 3.1 · Vendor: TR-CERT
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Severity by source

Vendor (TR-CERT) PRIMARY
8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from Vendor (TR-CERT) · only source for this CVE.

CVSS VectorVendor: TR-CERT

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Jul 09, 2026 - 13:52 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Directory data disclosure in PEAKUP Technology's PassGate (all versions through build 30042026) allows remote unauthenticated attackers to manipulate LDAP queries by injecting special characters into user-controlled input. Reported by TR-CERT (Turkey's national CERT), the flaw carries a CVSS 8.2 driven by high confidentiality impact with no authentication or user interaction required. No public exploit code or CISA KEV listing exists at time of analysis, indicating no confirmed active exploitation.

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CVE-2026-4256 vulnerability details – vuln.today
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