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CVE-2026-26288— Everon api.everon.io Missing Authentication for Critical Function

Quick assessment

Affected
Everon api.everon.io
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.

Everon是Everon公司的一个电动汽车充电站系统。 Everon存在访问控制错误漏洞，该漏洞源于缺乏身份验证机制，可能导致未经验证的攻击者连接WebSocket端点并冒充合法充电站，从而引发权限提升、未经授权控制充电基础设施以及破坏充电网络数据。

CVSS 9.4 · Critical EPSS 0.72% · P53
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I. Basic Information for CVE-2026-26288

Vulnerability Information
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Vulnerability Title
Everon api.everon.io Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend. An unauthenticated attacker can connect to the OCPP WebSocket endpoint using a known or discovered charging station identifier, then issue or receive OCPP commands as a legitimate charger. Given that no authentication is required, this can lead to privilege escalation, unauthorized control of charging infrastructure, and corruption of charging network data reported to the backend.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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
Everon 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Everon是Everon公司的一个电动汽车充电站系统。 Everon存在访问控制错误漏洞，该漏洞源于缺乏身份验证机制，可能导致未经验证的攻击者连接WebSocket端点并冒充合法充电站，从而引发权限提升、未经授权控制充电基础设施以及破坏充电网络数据。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Everon api.everon.io All versions -

II. Public POCs for CVE-2026-26288

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III. Intelligence Information for CVE-2026-26288

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Vendor Advisories for CVE-2026-26288 (2)

Same Patch Batch · Everon · 2026-03-06 · 4 CVEs total

CVE-2026-24696 7.5 HIGH Everon api.everon.io Improper Restriction of Excessive Authentication Attempts
CVE-2026-20748 7.3 HIGH Everon api.everon.io Insufficient Session Expiration
CVE-2026-27027 6.5 MEDIUM Everon api.everon.io Insufficiently Protected Credentials

IV. Related Vulnerabilities

Same product: api.everon.io
Same vendor: Everon
Same weakness: CWE-306