CVE-2026-18193 IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime
Remote attackers can bypass security restrictions and escalate privileges on IBM i systems due to improper validation in the Java SDK.
- 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-2026-18193?
CVE-2026-18193 is a high-severity 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 user-controlled addresses.
Weakness: CWE-269
Which versions are affected by CVE-2026-18193?
It affects 1 product.
Products include Ibm I.
How do I fix CVE-2026-18193?
No fix has been published for CVE-2026-18193 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18193 being exploited?
There is no known exploitation of CVE-2026-18193 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-47cc-pf2h-j2xj.