CVE-2026-105453 IBM Sterling Connect:Direct for Unix Improper Privilege Management

High 8.4 Published Updated

A local attacker can gain elevated privileges in IBM Sterling Connect:Direct for Unix due to improper privilege management.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-105453?

CVE-2026-105453 is a high-severity vulnerability in IBM Sterling Connect Direct for Unix, published on 19 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM Sterling Connect Direct for Unix 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 could allow a local attacker to gain elevated privileges due to improper privilege management.

Weakness: CWE-269

Which versions are affected by CVE-2026-105453?

How do I fix CVE-2026-105453?

No fix has been published for CVE-2026-105453 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-105453 being exploited?

There is no known exploitation of CVE-2026-105453 in the wild and no public exploit code.

Sources

Also known as GHSA-889c-pwpc-x9cq.

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