# CVE-2026-17079: IBM Db2 Mirror for i input validation bypass

Source: https://junglewise.ai/threats/cve-2026-17079-ibm-db2-mirror-for-i-input-validation-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-14. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-17079 · Severity: medium · CVSS 6.3 · Published 2026-08-14

IBM Db2 Mirror for i is a database management tool used to replicate and manage IBM i database systems. This vulnerability allows an authenticated remote attacker to disable server-side input validation through a request parameter, potentially allowing bypass of security checks designed to protect the database from malicious queries or commands.

Technologies: [IBM Db2 Mirror For I](https://junglewise.ai/threats/technologies/db2-mirror-for-i). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-17079 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-17079 being exploited in the wild.

**How severe is CVE-2026-17079?** Medium severity, with a CVSS score of 6.3, 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-2026-17079?** 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-2026-17079 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-17079?** 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

The vulnerability is classified as a Protection Mechanism Failure (CWE-693) in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. An authenticated remote attacker can manipulate a request parameter to disable server-side input validation, bypassing security controls that would normally filter or sanitize user input. The attack requires valid credentials and network access to the Db2 Mirror for i GUI. Successful exploitation could allow attackers to inject malicious commands or queries that would normally be blocked by validation logic. IBM has released security updates to address this and multiple other vulnerabilities affecting the product.

## Affected products

- IBM Db2 Mirror for i 7.4, 7.5, 7.6

## Timeline

- 2026-08-14: disclosed

## References

- [https://www.ibm.com/support/pages/node/7283359](https://www.ibm.com/support/pages/node/7283359)

## Related threats

- [IBM Db2 Mirror for i privilege escalation in GUI](https://junglewise.ai/threats/cve-2026-96012-ibm-db2-mirror-for-i-7-4-7-5-and-7-6-is-vulnerable-to-privilege)
- [IBM Db2 Mirror for i CSRF in GUI](https://junglewise.ai/threats/cve-2026-17047-ibm-db2-mirror-for-i-csrf-in-gui)
- [IBM Db2 Mirror for i improper authorization in SQL procedure](https://junglewise.ai/threats/cve-2026-17483-ibm-db2-mirror-for-i-improper-authorization-in-sql-procedure)
- [IBM Db2 Mirror for i out-of-bounds read denial of service](https://junglewise.ai/threats/cve-2026-16660-ibm-db2-mirror-for-i-out-of-bounds-read-denial-of-service)
- [IBM Db2 Mirror for i race condition in Unix domain socket path](https://junglewise.ai/threats/cve-2026-18567-ibm-db2-mirror-for-i-race-condition-in-unix-domain-socket-path)