What’s Vulnerable › Vulnerabilities
CVE-2026-86093: IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands under certain conditions
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-10 · updated 2026-09-14
- Weakness: CWE-121
Description
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 products
- IBM Db2 for Linux, UNIX and Windows: from 11.5 through 11.5.9; from 12.1.0 through 12.1.5
References
Get alerted when CVE-2026-86093 or the next vulnerability affects your stack