CVE-2026-10109

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7277424	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:db2::::::::
	cpe:2.3:a:ibm:db2::::::::

History

25 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) IBM Db2 11.5.0 hasta 11.5.9, y 12.1.0 hasta 12.1.4 es vulnerable a ejecución remota de código debido a manejo inadecuado del handshake DRDA de preautenticación.

Information

Published : 2026-06-30 20:17

Updated : 2026-10-25 21:10

NVD link : CVE-2026-10109

Mitre link : CVE-2026-10109

CVE.ORG link : CVE-2026-10109

JSON object : View

Products Affected

ibm

db2

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2026-10109", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"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"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"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"}]}]}], "published": "2026-06-30T20:17:26.603", "references": [{"url": "https://www.ibm.com/support/pages/node/7277424", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "IBM Db2 11.5.0 hasta 11.5.9, y 12.1.0 hasta 12.1.4 es vulnerable a ejecuci\u00f3n remota de c\u00f3digo debido a manejo inadecuado del handshake DRDA de preautenticaci\u00f3n."}], "lastModified": "2026-10-25T21:10:00.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ECBD1085-509F-49E6-9DB0-1015F7B63955", "versionEndIncluding": "11.5.9", "versionStartIncluding": "11.5.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5556C85F-00F5-4653-B644-B1620F08D3A9", "versionEndIncluding": "12.1.4", "versionStartIncluding": "12.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}