CVE-2026-17179: IBM Db2 Mirror for i command injection denial of service

CVE-2026-17179 · Severity: high · CVSS 8.5 · Published 2026-08-14

IBM Db2 Mirror for i is a database management system used to store and manage business-critical data on IBM i systems. This vulnerability allows an authenticated attacker to cause the database service to stop responding by injecting malicious commands, disrupting operations and customer access to stored data.

Technologies: IBM Db2 Mirror For I. Vendors: IBM.

Quick answers

Is CVE-2026-17179 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-17179 being exploited in the wild.
How severe is CVE-2026-17179?
High severity, with a CVSS score of 8.5, published 14 August 2026.
Which products and versions are affected?
IBM Db2 Mirror For I 7.4, 7.5, 7.6.
Is there a fix for CVE-2026-17179?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-17179 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-17179?
Check whether you run IBM Db2 Mirror For I at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

IBM Db2 Mirror for i is vulnerable to OS command injection (CWE-78) due to improper neutralization of special elements in commands. The vulnerability requires valid authentication credentials to exploit but does not require any special user privileges or interaction from another party. An authenticated remote attacker can inject specially crafted commands to trigger a denial of service condition that affects the availability of the database service. Patches are expected to be available from IBM; organizations should check IBM support communications for fixed versions.

Affected products

  • IBM Db2 Mirror for i 7.4, 7.5, 7.6

Timeline

  • 2026-08-14: disclosed

References

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