CVE-2026-18246 IBM i is Affected By security restrictions bypass in Navigator for i
Remote authenticated attackers can bypass security restrictions in IBM i Navigator due to a multipart parser interpretation conflict.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18246?
CVE-2026-18246 is a low-severity vulnerability in Ibm I, published on 12 Aug 2026. An attacker needs administrator access to exploit it, 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 an interpretation conflict in the multipart parser.
Weakness: CWE-436
Which versions are affected by CVE-2026-18246?
It affects 1 product.
Products include Ibm I.
How do I fix CVE-2026-18246?
No fix has been published for CVE-2026-18246 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18246 being exploited?
There is no known exploitation of CVE-2026-18246 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-xjff-fp5w-v7v9.