Denial of Service Vulnerability in IBM i Products
CVE-2026-17271

7.5HIGH

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-17271?

A vulnerability exists in IBM i 7.6, 7.5, 7.4, and 7.3 that allows remote attackers to exploit improper input size validation, potentially leading to a denial of service condition. This affects system availability and integrity, emphasizing the need for prompt patching to mitigate associated risks.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283276
vendor-advisorypatch

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.