CVE-2025-15579 An Insecure Deserialization vulnerability has been discovered in OpenText™ Directory Services.
Insecure deserialization in OpenText Directory Services allows remote attackers to execute code, escalate privileges, or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15579?
CVE-2025-15579 is a critical unsafe deserialization vulnerability in OpenText™ Directory Services, published on 18 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-502
Which versions are affected by CVE-2025-15579?
How do I fix CVE-2025-15579?
No fix has been published for CVE-2025-15579 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-15579 being exploited?
There is no known exploitation of CVE-2025-15579 in the wild and no public exploit code.
Sources
Also known as GHSA-5qq8-6gv4-wmcc.