What is CVE-2026-17271?

CVE-2026-17271 is a high-severity vulnerability in Ibm I, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-12.

How severe is CVE-2026-17271?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Ibm I

CVE-2026-17271

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper validation of input size.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-17271?: CVE-2026-17271 is a high-severity vulnerability in Ibm I, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-12.
How severe is CVE-2026-17271?: High severity. CVSS v3 base score is 7.5 out of 10.