# CVE-2026-115454: KNIME Business Hub resource exhaustion in data apps

Source: https://junglewise.ai/threats/cve-2026-115454-an-excessive-resource-allocation-issue-in-the-remote-workflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-22. Updated: 2026-10-22  
License: CC BY 4.0 with a link back

CVE-2026-115454 · Severity: info · Published 2026-10-22

KNIME Business Hub is a platform for creating and executing data workflows and applications. An authenticated attacker can upload or manipulate large tables within data apps to exhaust server resources, causing workflow execution services to become temporarily unavailable and disrupting business operations.

Technologies: [Knime Business Hub](https://junglewise.ai/threats/technologies/business-hub). Vendors: [Knime](https://junglewise.ai/threats/vendors/knime).

## Quick answers

**Is CVE-2026-115454 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-115454 being exploited in the wild.

**How severe is CVE-2026-115454?** Informational severity, published 22 October 2026.

**Which products and versions are affected?** Knime Business Hub before 1.19.0.

**Is there a fix for CVE-2026-115454?** Yes: fixed in KNIME Business Hub 1.19.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-115454 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-115454?** Check whether you run Knime Business Hub at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in KNIME Business Hub 1.19.0

## Technical details

An excessive resource allocation vulnerability in KNIME Business Hub's remote workflow editing capabilities allows an authenticated attacker to exhaust server-side resources by processing large tables in data apps. This results in denial of service to the workflow execution functionality. The vulnerability is fixed in version 1.19.0.

## Affected products

- KNIME Business Hub before 1.19.0

## Timeline

- 2026-10-22: disclosed

## References

- [https://www.knime.com/security/advisories](https://www.knime.com/security/advisories)

## Related threats

- [KNIME Business Hub missing security attributes on sensitive cookies](https://junglewise.ai/threats/cve-2026-115519-missing-security-attributes-on-sensitive-cookies-in-knime)
- [KNIME Business Hub unrestricted network access between execution contexts](https://junglewise.ai/threats/cve-2026-115517-unrestricted-network-access-between-execution-contexts-in-knime)
- [KNIME Business Hub SaaS incorrect authorization in account information](https://junglewise.ai/threats/cve-2026-115516-an-incorrect-authorization-issue-exposes-basic-account)
- [KNIME Business Hub missing authorization check in DataApp links](https://junglewise.ai/threats/cve-2026-115502-a-missing-authorization-check-allows-anyone-having-access-to-a)
- [KNIME Business Hub information disclosure in catalog](https://junglewise.ai/threats/cve-2026-115496-overly-informative-error-messages-in-the-catalog-functionality)