CVE-2026-16693 IBM i is Affected By Cryptographic Algorithm Weakness in DCM []

Medium 4.4 Published Updated

Remote authenticated attackers can obtain sensitive information due to hardcoded cryptographic constants used to obfuscate encryption keys in IBM i.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-16693?

CVE-2026-16693 is a medium-severity vulnerability in Ibm I, published on 4 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to the use of hardcoded cryptographic constants to obfuscate encryption keys.

Weakness: CWE-327

Which versions are affected by CVE-2026-16693?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-16693?

No fix has been published for CVE-2026-16693 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-16693 being exploited?

There is no known exploitation of CVE-2026-16693 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-qmwp-q4j7-m4gp.

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