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3.7

IBM i allows remote manipulation of distributed transactions

CVE-2026-17275 · published 2 days ago
Summary

Versions 7.3 through 7.6 of IBM i may let an outsider change or interfere with transaction processing across multiple systems because the software does not correctly check transaction identifiers supplied by the attacker. This could lead to unintended changes or disruption of business operations. Apply the latest IBM i security updates and review transaction handling configurations to mitigate the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm i 7.6
Original advisory text
IBM i is Affected by an Improper Validation Vulnerability
IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to perform unauthorized manipulation of distributed transactions due to improper validation of attacker-supplied transaction identifiers.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
3.7 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-285Improper Authorization
Timeline
Published16 Oct 2026
Updated17 Oct 2026
First seen16 Oct 2026
Sources
CVE-2026-17275 · NVD
CVE-2026-17275 · MITRE
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