CVE-2026-16879 IBM Db2 Mirror for i is affected by multiple vulnerabilities

High 8.8 Published 14 Aug 2026 Updated 17 Aug 2026

Remote authenticated attackers can bypass security restrictions in IBM Db2 Mirror for i due to improper authorization handling.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-16879?

CVE-2026-16879 is a high-severity missing authorization vulnerability in IBM Db2 Mirror for i, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization using user-supplied input.

Weakness: CWE-285

Which versions are affected by CVE-2026-16879?

It affects 1 product.

Products include Ibm Db2 Mirror for I.

How do I fix CVE-2026-16879?

No fix has been published for CVE-2026-16879 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16879 being exploited?

There is no known exploitation of CVE-2026-16879 in the wild and no public exploit code.

Sources

Also known as GHSA-jvf7-424w-hvr8.