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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
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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
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. …

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Recommended ActionAI

Within 24 hours: Inventory all PassGate instances and network exposure; implement network access controls restricting PassGate connectivity to authorized internal systems only. …

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CVE-2026-4256 vulnerability details – vuln.today

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