CVE-2026-17417
Authenticated command injection in IBM i allows arbitrary OS command execution.
Is CVE-2026-17417 being exploited?
Not confirmed. CVE-2026-17417 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-17417?
CVE-2026-17417 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-17417?
Yes. A fix has been recorded for CVE-2026-17417. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-17417 affect?
CVE-2026-17417 affects IBM i 7.6, IBM i 7.5, IBM i 7.4, IBM i 7.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-17417?
Apply vendor patch when released; restrict access, enforce least privilege, and audit/validate inputs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authenticated attacker can inject shell metacharacters to execute arbitrary OS commands as the compromised account, enabling data theft, privilege escalation, and lateral movement.
Patch when possible
- affected7.6
- affected7.5
- affected7.4
- affected7.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.