Arbitrary File Write Vulnerability in IBM Db2 Database
CVE-2026-15955

7.5HIGH

Key Information:

Vendor

IBM
Status
Db2
Vendor
CVE Published:
14 September 2026

What is CVE-2026-15955?

A critical security flaw in IBM Db2 versions 11.5.0 to 11.5.9 and 12.1.0 to 12.1.5 allows remote attackers to exploit improper validation of file paths, enabling arbitrary file write operations. This could lead to unauthorized modifications of files on the server, posing a significant risk to data integrity and application security.

Affected Version(s)

Db2 11.5.0 <= 11.5.9

Db2 12.1.0 <= 12.1.5

References

https://www.ibm.com/support/pages/node/7286998
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.