CVE-2026-14277 IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
An authenticated user can execute arbitrary commands with normal user privileges via improper validation in a session file.
- 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-2026-14277?
CVE-2026-14277 is a medium-severity command injection vulnerability in IBM i Access Family, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM i Access Family 1.1.2.0 through 1.1.9.15 could allow an authenticated user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied input in a session file.
Weakness: CWE-78
Which versions are affected by CVE-2026-14277?
How do I fix CVE-2026-14277?
No fix has been published for CVE-2026-14277 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-14277 being exploited?
There is no known exploitation of CVE-2026-14277 in the wild and no public exploit code.
Sources
Also known as GHSA-pxv8-q499-379f.