CVE-2026-115494: KNIME Business Hub CSRF protection bypass via forged header

CVE-2026-115494 · Severity: info · Published 2026-10-22

KNIME Business Hub is a web-based data analytics and workflow management platform. A flaw in its CSRF protection allows an authenticated attacker to trick the security check using a forged X-Forwarded-Host header, enabling them to perform unwanted state-changing actions on behalf of a logged-in user without the user's knowledge.

Technologies: Knime Business Hub. Vendors: Knime.

Quick answers

Is CVE-2026-115494 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-115494 being exploited in the wild.
How severe is CVE-2026-115494?
Informational severity, published 22 October 2026.
Which products and versions are affected?
Knime Business Hub prior to 1.19.0.
Is there a fix for CVE-2026-115494?
Yes: fixed in KNIME Business Hub 1.19.0. Until then: Deploy an API gateway or firewall in front of KNIME Business Hub to remove the X-Forwarded-For header from all incoming requests. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-115494 attacked?
It is attacked over the network.
Am I affected by CVE-2026-115494?
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

Deploy an API gateway or firewall in front of KNIME Business Hub to remove the X-Forwarded-For header from all incoming requests.

Technical details

The CSRF prevention mechanism in KNIME Business Hub prior to 1.19.0 can be bypassed by forging the X-Forwarded-Host header, allowing an attacker to perform unauthorized actions. The vulnerability requires authentication and user interaction (passive, such as visiting a malicious page while logged in). An attacker can modify resource state without explicit user consent.

Affected products

  • KNIME Business Hub prior to 1.19.0

Timeline

  • 2026-10-22: disclosed

References

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