Vulnerability · Published Feb 18, 2026 · Assigned by OpenText
CVE-2025-15579An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.
Critical 9.5
In plain English
A critical-severity unsafe deserialization in Directory Services from OpenText™. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenText™ | Directory Services | 0 – before 24.4.1625.1 – before 25.1.925.2 – before 25.2.925.3 – before 25.3.825.4 – before 25.4.526.1 – before 26.1.2 |
Weakness: CWE-502 · 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