Critical severity · published Aug 12, 2026
CVE-2026-13433
IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
9.6
CVSS
0.2%
EPSS
No
On KEV
Description
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IA
i Access Client Solutions · IBM
1.1.2.0 through 1.1.9.13 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-13433
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13433
Vendor Advisory
https://www.ibm.com/support/pages/node/7282954
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