CVE-2026-17073 IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network File System
A local attacker can obtain sensitive information due to missing subtree checks during file handle resolution in IBM i Network File System.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17073?
CVE-2026-17073 is a medium-severity missing authorization vulnerability in Ibm I, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to obtain sensitive information due to missing subtree checks during file handle resolution.
Weakness: CWE-284
Which versions are affected by CVE-2026-17073?
It affects 1 product.
Products include Ibm I.
How do I fix CVE-2026-17073?
No fix has been published for CVE-2026-17073 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-17073 being exploited?
There is no known exploitation of CVE-2026-17073 in the wild and no public exploit code.
Other vulnerabilities in Ibm I
- CVE-2026-96119 IBM i is Affected By An Improper Control of Code Generation Vulnerability in HTTP Server Administration GUI
- CVE-2026-16860 IBM i is Affected By Remote Code Execution Vulnerability []
- CVE-2026-17083 IBM i is Affected By Multiple Vulnerabilities in the Debug Server
- CVE-2026-17218 IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon []
- CVE-2026-17276 IBM i is Affected By Multiple Vulnerabilities in Navigator for i
Sources
Also known as GHSA-qxxp-9265-8h46.