File Write Vulnerability in IBM Db2 Database Software
CVE-2026-86087

4.3MEDIUM

Key Information:

Vendor

IBM
Status
Db2
Vendor
CVE Published:
10 September 2026

What is CVE-2026-86087?

IBM Db2 versions 11.5.0 to 11.5.9 and 12.1.0 to 12.1.5 contain a file write vulnerability that allows an authenticated user to craft requests to write arbitrary files on the affected system. This could potentially lead to unauthorized data manipulation or loss, compromising the integrity and confidentiality of the database environment. Users are advised to apply patches and follow security best practices to mitigate any risks associated with this flaw.

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/7286985
vendor-advisorypatch

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability was discovered by Dan Gardner, Amazon.
.