CVE-2026-17197 IBM i is Affected By Multiple Vulnerabilities in Host Servers

High 8.1 Published Updated

Remote attackers can bypass security restrictions in IBM i Host Servers due to improper identity validation, requiring immediate patching.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-17197?

CVE-2026-17197 is a high-severity authentication bypass vulnerability in Ibm I, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity.

Weakness: CWE-287

Which versions are affected by CVE-2026-17197?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-17197?

No fix has been published for CVE-2026-17197 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-17197 being exploited?

There is no known exploitation of CVE-2026-17197 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-wwrx-44p3-rrv2.

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