IBMCVE-2026-86093
IBM Db2: code execution
High7.5CVE-2026-86093 · Published Sep 10, 2026 · updated Sep 14, 2026
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds checking.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Db2 Product | >= 11.5.0, <= 11.5.9 | No fix yet |
| >= 12.1.0, <= 12.1.5 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-121
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 10 | IBM DataStage on Cloud Pak for Data: denial of service | Critical9.6 | No fix yet |
| Sep 10 | IBM DataStage on Cloud Pak for Data: information disclosure | Critical9.6 | No fix yet |
| Sep 10 | IBM Langflow OSS: remote code execution | High8.8 | No fix yet |
| Sep 10 | IBM Db2: path traversal | Medium4.3 | No fix yet |
| Sep 10 | IBM Db2: denial of service | High8.1 | No fix yet |
| Sep 10 | IBM Langflow OSS: remote code execution | High8.8 | No fix yet |