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CVE-2026-115502— DataApp links without logging expose job information to other user in KNIME Business 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.

由于缺少授权检查，任何能够访问“无需登录链接”的用户，均可在 KNIME Business Hub 1.19.0 之前的版本中，列出并可能访问由同一链接创建的其他用户的数据应用（DataApp）作业。作为临时解决方案，请移除所有指向 DataApp 的“无需登录链接”。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
KNIME KNIME Business Hub < 1.19.0 affected
1.19.0 unaffected
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I. Basic Information for CVE-2026-115502

Vulnerability Information
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Vulnerability Title
DataApp links without logging expose job information to other user in KNIME Business Hub
Source: CVE Program / CVE List V5
Vulnerability Description
A missing authorization check allows anyone having access to a "link without login" for a DataApp to list and potentially access jobs of other users created by the same link in KNIME Business Hub prior to 1.19.0. As workaround remove all "links without login" to DataApps.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
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-2026-115502

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III. Intelligence Information for CVE-2026-115502

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Vendor Advisories for CVE-2026-115502 (1)

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-2026-115454 5.3 MEDIUM Large tables in data apps can bring down execution services in KNIME 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-862

V. Comments for CVE-2026-115502

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