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CVE-2026-6272

Quick assessment

Affected
Eclipse Foundation Eclipse KUKSA - Databroker
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.

KUKSA.val是Eclipse基金会的一个面向车载数据访问与通信的中间件组件。 KUKSA.val存在访问控制错误漏洞，该漏洞源于仅持有读取JWT范围的客户端仍可通过OpenProviderStream API注册为信号提供者，可能导致攻击者向其他客户端提供伪造数据。

AI Predicted 8.6 Difficulty: Easy EPSS 0.35% · P26
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I. Basic Information for CVE-2026-6272

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A client holding only a read JWT scope can still register itself as a signal provider through the production kuksa.val.v2 OpenProviderStream API by sending ProvideSignalRequest. 1. Obtain any valid token with only read scope. 2. Connect to the normal production gRPC API (kuksa.val.v2). 3. Open OpenProviderStream. 4. Send ProvideSignalRequest for a target signal ID. 5. Wait for the broker to forward GetProviderValueRequest. 6. Reply with attacker-controlled GetProviderValueResponse. 7. Other clients performing GetValue / GetValues for that signal receive forged data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
KUKSA.val 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KUKSA.val是Eclipse基金会的一个面向车载数据访问与通信的中间件组件。 KUKSA.val存在访问控制错误漏洞，该漏洞源于仅持有读取JWT范围的客户端仍可通过OpenProviderStream API注册为信号提供者，可能导致攻击者向其他客户端提供伪造数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation Eclipse KUKSA - Databroker 0.5.0 ~ 0.6.0 -

II. Public POCs for CVE-2026-6272

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III. Intelligence Information for CVE-2026-6272

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Vendor Advisories for CVE-2026-6272 (1)

IV. Related Vulnerabilities

Same product: Eclipse KUKSA - Databroker
Same vendor: Eclipse Foundation
Same weakness: CWE-306

V. Comments for CVE-2026-6272

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