CVE-2025-15579 PUBLISHED

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

Assigner: OpenText
Reserved: 17.02.2026 Published: 18.02.2026 Updated: 18.02.2026

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: from 10.5 through 26.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:C/RE:M/U:Red
CVSS Score: 9.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	High	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	OpenText™
Product	Directory Services
Versions	Default: unaffected affected from 10.5 to 26.1 (incl.)

Solutions

https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0859600&sys_kb_id=f82c01214707b6144549b6bd416d43b7&spa=1

Credits

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

References

https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0859600&sys_kb_id=f82c01214707b6144549b6bd416d43b7&spa=1

Problem Types

CWE-502 Deserialization of Untrusted Data CWE

Impacts

CAPEC-586 Object Injection