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Critical · 9.5 CVE-2025-15579 EUVD-2025-207782GHSA-5qq8-6gv4-wmcc

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

Published Feb 18, 2026 · Updated Feb 27, 2026 · Assigned by OpenText

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.

Affected products

VendorProductAffectedFixed
OpenText™ Directory Services < 24.4.16, 25.1 – < 25.1.9, 25.2 – < 25.2.9, 25.3 – < 25.3.8, 25.4 – < 25.4.5, 26.1 – < 26.1.2 24.4.16

References