CVE-2026-4256 PUBLISHED

LDAP Injection in PEAKUP's PassGate

Assigner: TR-CERT
Reserved: 16.03.2026 Published: 09.07.2026 Updated: 09.07.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS Score: 8.2

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

CVSS 3.1

Product Status

Vendor	PEAKUP Technology Inc.
Product	PassGate
Versions	Default: unaffected affected from 0 to 30042026 (incl.)

Credits

Eren Can ÖZMEN finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0523

Problem Types

CWE-90 Improper neutralization of special elements used in an LDAP query ('LDAP injection') CWE

Impacts

CAPEC-136 LDAP Injection