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CVE-2026-61387

Quick assessment

Affected
Eclipse Foundation Eclipse Milo
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.

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版本存在安全漏洞，该漏洞源于监视项配额计算不是异常安全的，深度嵌套的PubSub ExtensionObjects在CreateMonitoredItems事件过滤器解码期间可触发栈溢出错误，导致未认证的远程客户端耗尽全局监视项配额，阻止所有客户端创建新监视项直到重启。

CVSS 6.9 · Medium EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

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-2026-61387

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, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a `CreateMonitoredItems` event filter can trigger a `StackOverflowError` during decoding, allowing an unauthenticated remote client to exhaust a finite global monitored-item quota and prevent all clients from creating new monitored items until restart. Existing monitored items and other server functions remain unaffected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
抛出异常的清理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Milo 资源管理错误漏洞
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版本存在安全漏洞，该漏洞源于监视项配额计算不是异常安全的，深度嵌套的PubSub ExtensionObjects在CreateMonitoredItems事件过滤器解码期间可触发栈溢出错误，导致未认证的远程客户端耗尽全局监视项配额，阻止所有客户端创建新监视项直到重启。
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-2026-61387

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III. Intelligence Information for CVE-2026-61387

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Patches & Fixes for CVE-2026-61387 (2)

Vendor Advisories for CVE-2026-61387 (1)

Other References for CVE-2026-61387 (1)

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-2026-62927 8.7 HIGH Eclipse Milo 授权问题漏洞
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

IV. Related Vulnerabilities

Same product: Eclipse Milo
Same vendor: Eclipse Foundation
Same weakness: CWE-460

V. Comments for CVE-2026-61387

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