CVE-2025-15579CWE-502

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

Critical · published February 18, 2026

CVSS v4.0
9.5
EPSS
0%
Percentile
36.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.5 · CRITICAL
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
EPSS
0.00432 · 36.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-02-18T14:57Z
EPSS history
Timeline
  • 18 FEB 14:57Z
    An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.
    cvelistv5