CVE-2026-13105 IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities

High 8.8 Published 12 Aug 2026 Updated 13 Aug 2026

Attackers can exploit a zip slip vulnerability in IBM i Access Client Solutions to write files outside the intended directory during configuration import.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-13105?

CVE-2026-13105 is a high-severity path traversal vulnerability in IBM i Access Client Solutions, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to zip slip path traversal exploit when importing a configuration.

Weakness: CWE-22

Which versions are affected by CVE-2026-13105?

It affects 1 product.

Products include Ibm I Access Client Solutions.

How do I fix CVE-2026-13105?

No fix has been published for CVE-2026-13105 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-13105 being exploited?

There is no known exploitation of CVE-2026-13105 in the wild and no public exploit code.

Sources

Also known as GHSA-px9p-pq43-98fr.