CVE-2026-17445 IBM i is Affected By Improper Validation Vulnerability in Line Printer Daemon []
Remote authenticated attackers can bypass security restrictions in IBM i by exploiting improper validation of user profile names in the Line Printer Daemon.
- 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-2026-17445?
CVE-2026-17445 is a high-severity authentication bypass vulnerability in Ibm I, published on 12 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 authenticated attacker to bypass security restrictions due to improper validation of an attacker-supplied user profile name.
Weakness: CWE-250
Which versions are affected by CVE-2026-17445?
It affects 1 product.
Products include Ibm I.
How do I fix CVE-2026-17445?
No fix has been published for CVE-2026-17445 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-2026-17445 being exploited?
There is no known exploitation of CVE-2026-17445 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-q3x3-rxwg-x76r.