Denial of Service Vulnerability in IBM Db2 Products
CVE-2026-1718

7.1HIGH

Key Information:

Vendor

IBM
Status
Db2
Vendor
CVE Published:
27 May 2026

What is CVE-2026-1718?

The vulnerability in IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4 can be exploited through a specially crafted query when autonomous transactions are enabled, leading to potential disruption of service.

Affected Version(s)

Db2 11.5.0 <= 11.5.9

Db2 12.1.0 <= 12.1.4

References

https://www.ibm.com/support/pages/node/7273555
vendor-advisorypatch

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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