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CVE-2026-62927

Quick assessment

Affected
Eclipse Foundation Eclipse Milo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Eclipse Milo是美国Eclipse基金会开源的一个实现OPCUA协议的通信栈库。 Eclipse Milo 1.0.0版本至1.1.4版本存在授权问题漏洞，该漏洞源于Call服务在计算授权后将原始混合批次分派给地址空间处理程序，可能导致匿名或低权限客户端通过将拒绝的方法与允许的方法一起批处理来执行被禁止的方法。

CVSS 8.7 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eclipse Foundation Eclipse Milo 1.0.0< 1.1.5 affected
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I. Basic Information for CVE-2026-62927

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Milo versions 1.0.0 through 1.1.4, the Call service dispatches the original mixed batch to address-space handlers after calculating authorization, allowing an anonymous or otherwise low-privileged client to execute a denied method by batching it with an allowed method.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Milo 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Milo是美国Eclipse基金会开源的一个实现OPCUA协议的通信栈库。 Eclipse Milo 1.0.0版本至1.1.4版本存在授权问题漏洞，该漏洞源于Call服务在计算授权后将原始混合批次分派给地址空间处理程序，可能导致匿名或低权限客户端通过将拒绝的方法与允许的方法一起批处理来执行被禁止的方法。
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 Milo 1.0.0 ~ 1.1.5 -

II. Public POCs for CVE-2026-62927

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: PROOF=PROOF_335fb0001b14285e -- denied method executed via mixed-batch bypass; AddressSpaceManager.call received the denied CallMethodRequest
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
Upgrade to Pro+
claude_code · 14489 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
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POC zip download
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III. Intelligence Information for CVE-2026-62927

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Patches & Fixes for CVE-2026-62927 (1)

Vendor Advisories for CVE-2026-62927 (2)

Same Patch Batch · Eclipse Foundation · 2026-08-04 · 7 CVEs total

CVE-2026-60007 9.1 CRITICAL Eclipse Milo 信息泄露漏洞
CVE-2026-58080 8.8 HIGH Eclipse Milo 授权问题漏洞
CVE-2026-10050 8.7 HIGH Digest authentication lossy encoding
CVE-2026-63252 8.7 HIGH Eclipse Milo 资源管理错误漏洞
CVE-2026-63248 6.9 MEDIUM Eclipse Milo 授权问题漏洞
CVE-2026-61387 6.9 MEDIUM Eclipse Milo 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: Eclipse Milo
Same vendor: Eclipse Foundation
Same weakness: CWE-863

V. Comments for CVE-2026-62927

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