CVE-2026-18065 IBM i is Affected By Multiple Vulnerabilities in Navigator for i and Digital Certificate Manager for i.
Remote unauthenticated attackers can bypass session IP binding in Navigator for i to access sensitive information on IBM i systems.
- 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-2026-18065?
CVE-2026-18065 is a medium-severity authentication bypass vulnerability in IBM i, published on 14 Sep 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 unauthenticated attacker to gain access to sensitive information through session IP binding bypass in Navigator for i.
Weakness: CWE-290
Which versions are affected by CVE-2026-18065?
How do I fix CVE-2026-18065?
No fix has been published for CVE-2026-18065 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-2026-18065 being exploited?
There is no known exploitation of CVE-2026-18065 in the wild and no public exploit code.
Sources
Also known as GHSA-g6pp-gcgv-5h84.