CVE-2026-18250

Analyzed Analyzed - Analysis Complete

Race Condition in IBM i Allows Information Disclosure

Publication date: 2026-08-12

Last updated on: 2026-08-13

Assigner: IBM Corporation

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information and bypass security restrictions due to a race condition.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-12

Last Modified

2026-08-13

Generated

2026-09-02

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-31

NVD

CVE-2026-18250

EUVD

EUVD-2026-57360

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	i	From 7.3 (inc) to 7.6 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This vulnerability is a race condition in IBM i versions 7.6, 7.5, 7.4, and 7.3. A remote authenticated attacker could exploit it to gain access to sensitive information and bypass security restrictions.

Detection Guidance

This vulnerability is specific to IBM i systems and involves a race condition that may allow unauthorized access. Detection requires checking for unusual activity or unauthorized access attempts on IBM i systems running versions 7.6, 7.5, 7.4, or 7.3. Review system logs for suspicious login patterns or privilege escalation events. Ensure all IBM i systems are updated to the latest fixes provided by IBM.

Impact Analysis

An attacker could obtain sensitive data or bypass security controls, potentially leading to unauthorized access to systems or information. The impact includes confidentiality, integrity, and availability risks.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating compliance requirements for data protection such as GDPR or HIPAA. Organizations may face penalties or legal consequences due to compromised data security.

Mitigation Strategies

Apply the latest IBM i PTFs or updates provided by IBM to address the race condition. Ensure all IBM i systems are updated to versions 7.6, 7.5, 7.4, or 7.3 as applicable. Monitor IBM i security advisories for patches.

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