Is CVE-2026-17487 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-17487?

CVE-2026-17487 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-17487

Description

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.