Medium · CVSS 6.4CVE-2026-115517

Unrestricted network access between execution contexts in KNIME Business HubCVE-2026-115517

Answer in brief

CVE-2026-115517 records a Medium severity (CVSS 6.4) vulnerability in Unrestricted network access between execution contexts in KNIME Business Hub. The current sources do not mark it as known exploited. The current feed maps KNIME/KNIME Business Hub (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 Oct 22, 2026Updated Oct 22, 2026Source checked Oct 22, 2026First seen by HOL Oct 22, 2026Material review Oct 22, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.4
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 6.4. 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 KNIME/KNIME Business Hub (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
KNIME/KNIME Business Hubgeneric	>=0 <1.19.0	1.19.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for KNIME/KNIME Business Hub.
Review the reported fix. Update KNIME/KNIME Business Hub to 1.19.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 22, 2026

Sources and claim methodology

Source referenceknime.com

Upstream source description

Unrestricted network access between execution contexts in KNIME Business Hub before version 1.19.0 allows an authenticated remote user to access open network ports on executors in different execution contexts. This only poses a security issue if the IP address of the attacked executor is know and there are open network ports that provided access without further authentication. By default no network ports are open. However, depending on the running workflows, ports may be opened and provide an attack surface. As a workaround, network policies can be created manually.

Quoted source text, attributed separately from HOL analysis.