CVE-2026-18104 IBM Db2 Mirror for i is vulnerable to obtain sensitive information []

Low 3.3 Published 24 Sep 2026 Updated 26 Sep 2026

A local attacker can obtain sensitive information from IBM Db2 Mirror for i due to the use of insecure AES ECB encryption mode.

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-2026-18104?

CVE-2026-18104 is a low-severity vulnerability in IBM Db2 Mirror for i, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM Db2 Mirror for i 7.6, 7.5, and 7.4 could allow a local attacker to obtain sensitive information due to the use of the AES Electronic Codebook (ECB) mode for encryption.

Weakness: CWE-327

Which versions are affected by CVE-2026-18104?

It affects 1 product.

Products include Ibm Db2 Mirror for I.

How do I fix CVE-2026-18104?

No fix has been published for CVE-2026-18104 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18104 being exploited?

There is no known exploitation of CVE-2026-18104 in the wild and no public exploit code.

Sources

Also known as GHSA-83g4-pfwh-946g.