CVE-2025-15579

CRITICAL

OpenText Directory Services 10.5-26.1 - Deserialization

Title source: llm

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.

References (1)

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

Scores

CVSS v4 9.5

EPSS 0.0049

EPSS Percentile 65.7%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-502

Status published

Products (6)

OpenText™/Directory Services < 24.4.16

OpenText™/Directory Services 25.1 - 25.1.9

OpenText™/Directory Services 25.2 - 25.2.9

OpenText™/Directory Services 25.3 - 25.3.8

OpenText™/Directory Services 25.4 - 25.4.5

OpenText™/Directory Services 26.1 - 26.1.2

Published Feb 18, 2026

Tracked Since Feb 18, 2026