CVE Catalog

CVE-2026-17487

MediumCVSS 5.3
Published: Translated: NVD NIST

Summary

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to enumerate user profiles due to the return of distinct error codes during the sign-on process.

Risk Assessment

An attacker could discover user profile names, facilitating further attacks such as brute-force.

Recommendation

Make login error messages identical for all cases and apply IBM fixes.

Other vulnerabilities in IBM i

See all
Original NVD description (English source)

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to enumerate user profiles due to the return of distinct error codes during the sign-on process.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS