# CVE-2026-18178: IBM Db2 Mirror for i path traversal deletion

Source: https://junglewise.ai/threats/cve-2026-18178-ibm-db2-mirror-for-i-path-traversal-deletion  
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-2026-18178 · Severity: medium · CVSS 5.4 · Published 2026-08-14

IBM Db2 Mirror for i is a database replication and recovery solution used to protect critical business data. A remote authenticated attacker can exploit a path traversal vulnerability to delete arbitrary files from the system, potentially causing data loss or service disruption.

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-2026-18178 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-18178 being exploited in the wild.

**How severe is CVE-2026-18178?** Medium severity, with a CVSS score of 5.4, published 14 August 2026.

**Which products and versions are affected?** IBM Db2 Mirror For I 7.4, 7.5, and 7.6.

**Is there a fix for CVE-2026-18178?** 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-2026-18178 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-18178?** 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

CVE-2026-18178 is a path traversal vulnerability in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 that allows deletion of arbitrary files. The vulnerability exists due to improper limitation of a pathname to a restricted directory (CWE-22). An authenticated attacker with network access can exploit this vulnerability without user interaction to delete files outside the intended directory, potentially compromising data integrity and system availability. IBM has released security updates to address this issue.

## Affected products

- IBM Db2 Mirror for i 7.4, 7.5, and 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)