CVE-2025-15579 - CVE House
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Status published Critical CVE-2025-15579

An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.

Vulnerability Description

Deserialization of Untrusted Data vulnerability in OpenText™ Directory Services allows Object Injection.  The vulnerability could lead to remote code execution, denial of service, or privilege escalation. This issue affects Directory Services: before 24.4.16, from 25.1 before 25.1.9, from 25.2 before 25.2.9, from 25.3 before 25.3.8, from 25.4 before 25.4.5, from 26.1 before 26.1.2.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Dylan Pindur - Assetnote
  • Adam Kues - Assetnote
  • Tomais Williamson - Assetnote

References

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Affected Vendor

OpenText™

View all reports →

Affected Software

Directory Services
Vulnerable Versions:
0, 25.1, 25.2, 25.3, 25.4, 26.1

Timeline

Official Publish: February 18th, 2026
Last Modified: February 27th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-502

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1068 Exploitation for Privilege Escalation
Privilege Escalation