CVE-2026-10109
IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling
Description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling.
INFO
Published Date :
June 30, 2026, 8:17 p.m.
Last Modified :
July 2, 2026, 4:46 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update IBM Db2 to a version that includes security fixes.
- Apply the latest security patches for your Db2 version.
- Ensure DRDA handshake handling is properly secured.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-10109.
| URL | Resource |
|---|---|
| https://www.ibm.com/support/pages/node/7277424 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-10109 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-10109
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-10109 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-10109 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:* versions from (including) 11.5.0 up to (including) 11.5.9 *cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 Added Reference Type IBM Corporation: https://www.ibm.com/support/pages/node/7277424 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 01, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-10109', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-30T00:00:00+00:00'} {'id': 'CVE-2026-10109', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-01T03:56:04.853789Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 01, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-10109', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-30T00:00:00+00:00'} -
New CVE Received by [email protected]
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:db2:12.1.4:*:*:*:*:*:*:*'], 'vendor': 'IBM', 'product': 'Db2', 'versions': [{'status': 'affected', 'version': '11.5.0', 'versionType': 'semver', 'lessThanOrEqual': '11.5.9'}, {'status': 'affected', 'version': '12.1.0', 'versionType': 'semver', 'lessThanOrEqual': '12.1.4'}]}] Added Description IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-94 Added Reference https://www.ibm.com/support/pages/node/7277424