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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00437.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenText™ Directory Services unaffected
Version Status Constraints
0 affected < 24.4.16
25.1 affected < 25.1.9
25.2 affected < 25.2.9
25.3 affected < 25.3.8
25.4 affected < 25.4.5
26.1 affected < 26.1.2

No data.

No data.

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Vendors Products
Opentext Subscribe
Directory Services Subscribe

Project Subscriptions

Vendors Products
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Directory Services Subscribe
Advisories

No advisories yet.

Fixes

Solution

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

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0859600&sys_kb_id=f82c01214707b6144549b6bd416d43b7&spa=1 cve-icon cve-icon
History

Fri, 27 Feb 2026 22:00:00 +0000

Type Values Removed Values Added
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: from 10.5 through 26.1. 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.

Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Opentext
Opentext directory Services
Vendors & Products Opentext
Opentext directory Services

Wed, 18 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 18 Feb 2026 15:30:00 +0000

Type Values Removed Values Added
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: from 10.5 through 26.1.
Title An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 9.5, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenText

Published:

Updated: 2026-02-27T21:46:44.623Z

Reserved: 2026-02-17T15:58:22.563Z

Link: CVE-2025-15579

cve-icon Vulnrichment

Updated: 2026-02-18T18:19:59.980Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-18T16:22:28.290

Modified: 2026-02-27T22:16:22.617

Link: CVE-2025-15579

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:11:41Z

Weaknesses