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CVE-2026-28806— Improper authorization in device bulk actions and device update API allows cross-organization device control

Quick assessment

Affected
nerves-hub nerves_hub_web
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.

NervesHub是NervesHub开源的一个管理Nerves设备的固件更新的软件。 NervesHub 1.0.0版本至2.4.0之前版本存在安全漏洞，该漏洞源于设备批量操作和设备更新API缺少授权检查，可能导致跨组织设备控制。

AI Predicted 8.1 Difficulty: Easy EPSS 0.45% · P40

Affected Version Matrix 3

VendorProduct Version RangeStatus
nerves-hub nerves_hub_web 1.0.0< 2.4.0 affected
1.0.0< 2.4.0 affected
adaeefdb7a835525482588f43332ef988cc448c7< 1f69c9d595684a4650c3ac702f3dc7c5bcd7526c affected
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I. Basic Information for CVE-2026-28806

Vulnerability Information
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Vulnerability Title
Improper authorization in device bulk actions and device update API allows cross-organization device control
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authorization vulnerability in nerves-hub nerves_hub_web allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices belonging to other organizations and perform actions outside of their privilege level. An attacker can select devices outside of their organization by manipulating device identifiers and perform management actions on them, such as moving them to products they control. This may allow attackers to interfere with firmware updates, access device functionality exposed by the platform, or disrupt device connectivity. In environments where additional features such as remote console access are enabled, this could lead to full compromise of affected devices. This issue affects nerves_hub_web: from 1.0.0 before 2.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
NervesHub 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NervesHub是NervesHub开源的一个管理Nerves设备的固件更新的软件。 NervesHub 1.0.0版本至2.4.0之前版本存在安全漏洞，该漏洞源于设备批量操作和设备更新API缺少授权检查，可能导致跨组织设备控制。
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
nerves-hub nerves_hub_web 1.0.0 ~ 2.4.0 cpe:2.3:a:nerves-hub:nerves_hub_web:*:*:*:*:*:*:*:*
nerves-hub nerves_hub_web 1.0.0 ~ 2.4.0 cpe:2.3:a:nerves-hub:nerves_hub_web:*:*:*:*:*:*:*:*
nerves-hub nerves_hub_web adaeefdb7a835525482588f43332ef988cc448c7 ~ 1f69c9d595684a4650c3ac702f3dc7c5bcd7526c cpe:2.3:a:nerves-hub:nerves_hub_web:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-28806

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III. Intelligence Information for CVE-2026-28806

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Patches & Fixes for CVE-2026-28806 (1)

Vendor Advisories for CVE-2026-28806 (2)

IV. Related Vulnerabilities

Same product: nerves_hub_web
Same vendor: nerves-hub
Same weakness: CWE-285