CVE-2023-49886 IBM Transformation Extender Advanced code execution

Critical 9.8 Published 6 Oct 2025 Updated 26 Feb 2026

Remote attackers can execute arbitrary code on IBM Transformation Extender Advanced via unsafe Java deserialization, requiring immediate patching.

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-2023-49886?

CVE-2023-49886 is a critical unsafe deserialization vulnerability in IBM Transformation Extender Advanced, published on 6 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Standards Processing Engine 10.0.1.10 could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe java deserialization. By sending specially crafted input, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Weakness: CWE-502

Which versions are affected by CVE-2023-49886?

It affects 1 product.

Products include Ibm Transformation Extender Advanced.

How do I fix CVE-2023-49886?

No fix has been published for CVE-2023-49886 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-2023-49886 being exploited?

There is no known exploitation of CVE-2023-49886 in the wild and no public exploit code.

Sources

Also known as GHSA-mjq7-jm96-v224.