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

High · CVSS 8.3CVE-2026-13433

IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities

Answer in brief

CVE-2026-13433 records a High severity (CVSS 8.3) vulnerability in IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities. The current sources do not mark it as known exploited. The current feed maps IBM/i Access Client Solutions (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 12, 2026Updated Aug 18, 2026Source checked Sep 28, 2026First seen by HOL Aug 12, 2026Material review Aug 18, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.3
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 8.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/i Access Client Solutions (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:a:ibm:i_access_client_solutions::::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
IBM/i Access Client Solutionsgeneric	1.1.2.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for IBM/i Access Client Solutions.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 12, 2026

Sources and claim methodology

Source referenceibm.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.