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

Quick assessment

Affected

KNIME KNIME Business Hub

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 KNIME Business Hub 1.19.0 之前的版本中，远程工作流编辑功能存在资源过度分配问题，使得经过身份验证的攻击者能够耗尽服务器端资源，导致工作流执行功能间歇性不可用。目前无法提供临时缓解措施。

CVSS 5.3 · Medium Updated Oct 23, 2026

Possible ATT&CK Techniques 2 AI

T1499 · Endpoint Denial of Service T1499.003 · Application Exhaustion Flood

Affected Version Matrix 2

Vendor	Product	Version Range	Status
KNIME	KNIME Business Hub	`< 1.19.0`	affected
		`1.19.0`	unaffected

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Vulnerability Information

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Large tables in data apps can bring down execution services in KNIME Hub

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y/R:A/U:Green

Source: CVE Program / CVE List V5

Vulnerability Type

不加限制或调节的资源分配

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
KNIME	KNIME Business Hub	0 ~ 1.19.0	-

II. Public POCs for CVE-2026-115454

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-115454

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Vendor Advisories for CVE-2026-115454 (1)

Security Advisories | KNIME

https://www.cve.org/CVERecord?id=CVE-2026-115454

Same Patch Batch · KNIME · 2026-10-22 · 7 CVEs total

CVE-2026-115496	6.9 MEDIUM	Workflow names may be leaked to unauthenticated users in KNIME Business Hub
CVE-2026-115516	6.9 MEDIUM	Basic account information visible to unauthenticated user in Business Hub SaaS
CVE-2026-115517	6.4 MEDIUM	Unrestricted network access between execution contexts in KNIME Business Hub
CVE-2026-115502	6.3 MEDIUM	DataApp links without logging expose job information to other user in KNIME Business Hub
CVE-2026-115494	5.3 MEDIUM	CSRF protection could be tricked by forged X-Forwarded-Host header in KNIME Business Hub
CVE-2026-115519	2.1 LOW	Sensitive cookies without 'Secure' and 'HttpOnly' attributes in KNIME Business Hub

IV. Related Vulnerabilities

Same product: KNIME Business Hub

Same vendor: KNIME

Same weakness: CWE-770

V. Comments for CVE-2026-115454

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Goal Reached Thanks to every supporter — we hit 100%!

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

Quick assessment

Possible ATT&CK Techniques 2 AI

Affected Version Matrix 2

I. Basic Information for CVE-2026-115454

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-115454

III. Intelligence Information for CVE-2026-115454

Vendor Advisories for CVE-2026-115454 (1)

Same Patch Batch · KNIME · 2026-10-22 · 7 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-115454

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