Quick answers
- Is CVE-2026-18567 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18567 being exploited in the wild.
- How severe is CVE-2026-18567?
- Medium severity, with a CVSS score of 4.4, published 4 September 2026.
- Which products and versions are affected?
- IBM Db2 Mirror For I 7.4, 7.5, 7.6.
- Is there a fix for CVE-2026-18567?
- A patch was published on 2026-09-01: PTF patches available for all affected versions Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-18567 attacked?
- It is attacked with local access, in a network appliance.
- Am I affected by CVE-2026-18567?
- 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
This vulnerability is a time-of-check time-of-use (TOCTOU) race condition (CWE-367) involving a predictable Unix domain socket path created in a world-writable directory. A local, authenticated attacker can exploit the narrow window between the socket path's existence check and its actual creation to perform path substitution attacks. The attack vector is local with low privilege requirements and requires low attack complexity. Successful exploitation allows an attacker to read sensitive data or deny service. IBM has released PTF patches (SJ11153, SJ11193, SJ11207 for version 7.4; SJ11152, SJ11194, SJ11206 for 7.5; and SJ11151, SJ11195, SJ11205 for 7.6).
Affected products
- IBM Db2 Mirror for i 7.4, 7.5, 7.6
Timeline
- 2026-09-04: disclosed
- 2026-09-01: patched: PTF patches available for all affected versions