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
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-121 |
| Vendor | ibm |
| Product | db2 |
| Published | Sep 10, 2026 |
| Last Updated | Sep 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / Db2
11.5.0 ≤ 11.5.9 12.1.0 ≤ 12.1.5
Credits
This vulnerability was discovered by Niv Levy and Idan Bachar, Amazon.