Multiple Vulnerabilities in IBM Concert Software

Answer in brief

CVE-2026-6544 records a Medium severity (CVSS 6.2) vulnerability in Multiple Vulnerabilities in IBM Concert Software. The current sources do not mark it as known exploited. The current feed maps IBM/Concert (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 Sep 24, 2026Updated Sep 24, 2026Source checked Sep 24, 2026First seen by HOL Sep 24, 2026Material review Sep 24, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.2
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.2. 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/Concert (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
IBM/Concertgeneric	>=1.0.0 <=3.0.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for IBM/Concert.
Review the reported fix. Source-reported solution: IBM strongly recommends addressing the vulnerability now by upgrading to IBM Concert Software 3.0.1.1 Download IBM Concert Software 3.0.0 from Container software library section of IBM Entitled Registry ( ICR https://myibm.ibm.com/products-services/containerlibrary ) and follow installation instructions https://www.ibm.com/docs/en/concert depending on the type of deployment.

Evidence timeline and material changes

Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 24, 2026

Sources and claim methodology

Source referenceibm.com

Upstream source description

IBM Concert 1.0.0 through 3.0.0 allows recursive copying of directories without proper controls which can lead to unintentional inclusion of sensitive or unnecessary files and increased attack surface.

Quoted source text, attributed separately from HOL analysis.