CVE-2026-13433IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities

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.

9.6 CRITICALEPSS 0.17%Not in KEVNVD: Analyzed

Last updated: 2026-10-23 19:10 UTC

OverviewCVSS details

9.6CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Aug 12, 2026
Assigner: ibm

Affected

i Access Client Solutions (IBM)

Versions: 1.1.2.0 through 1.1.9.13

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.17%chance of exploitation in 30 days

Higher than 6.55% of CVEs

CVSS 3.1 · NVD

9.6Critical

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack vector: Adjacent
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Changed
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · ibm (CNA)

8.3High

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack vector: Adjacent
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Changed
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.6	CRITICAL	3.1NVD	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
8.3	HIGH	3.1ibm (CNA)	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CVE ID: CVE-2026-13433
Status: Analyzed
Assigner (CNA): ibm
Published: Aug 12, 2026
Last modified: 2026-10-23 19:10 UTC
Weaknesses: CWE-494 · Download of Code Without Integrity Check

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 12:25 UTC.