Critical severity · published Feb 18, 2026
CVE-2025-15579
An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.
9.5
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Directory Services · OpenText™
before 24.4.16; 25.1 before 25.1.9; 25.2 before 25.2.9; 25.3 before 25.3.8; 25.4 before 25.4.5; 26.1 before 26.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15579
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15579
support.opentext.com
https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0859600&sys_kb_id=f82c01214707b6144549b6bd416d43b7&spa=1
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