CVE-2026-115454: Large tables in data apps can bring down execution services in KNIME Hub

Severity: medium (CVSS 5.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-22 · updated 2026-10-22
Weakness: CWE-770

Description

An excessive resource allocation issue in the remote workflow editing capabilities of KNIME Business Hub prior to version 1.19.0 allows a authenticated attack to exhaust resources on the server side. This leads to intermittent unavailability of workflow execution functionality. A workaround is not possible.

Affected products

KNIME Business Hub: before 1.19.0 — fixed in 1.19.0

How to fix

Upgrade to a fixed version: KNIME Business Hub 1.19.0. Check the vendor advisory for mitigations.

References

https://www.knime.com/security/advisories

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