Quick answers
- Is CVE-2026-86087 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-86087 being exploited in the wild.
- How severe is CVE-2026-86087?
- Medium severity, with a CVSS score of 4.3, published 10 September 2026.
- Which products and versions are affected?
- IBM Db2 11.5.0 through 11.5.9, 12.1.0 through 12.1.5.
- Is there a fix for CVE-2026-86087?
- 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-2026-86087 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-86087?
- Check whether you run IBM Db2 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 a path traversal flaw (CWE-22) in IBM Db2 versions 11.5.0-11.5.9 and 12.1.0-12.1.5 that allows authenticated users with DBADM privileges to craft specially crafted requests to write arbitrary files on the filesystem. The attack requires authentication and network access with low complexity, but does not require user interaction. Exploitation permits an attacker to write arbitrary files, which could lead to system compromise, configuration tampering, or introduction of malicious code. Security updates are available for V11.5.9, V12.1.4, and V12.1.5 via the provided links.
Affected products
- IBM Db2 11.5.0 through 11.5.9, 12.1.0 through 12.1.5
Timeline
- 2026-09-10: disclosed
- 2026-09-15: other: Title and summary updated to specify DBADM privilege requirements