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CVE-2026-85424— MOOS core-moos through 10.4.0 Missing Authentication for MOOSDB Publish, Subscribe and DB_CLEAR

Quick assessment

Affected
themoos core-moos
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.

themoos core-moos是themoos组织的一个提供网络功能的操作系统。 themoos core-moos 10.4.0及之前版本存在授权问题漏洞，该漏洞源于网络协议缺乏身份验证，可能导致未经身份验证的攻击者绕过编译时协议字符串检查，以任意客户端名称连接并执行包括DB_CLEAR在内的特权操作，重置所有变量并清除客户端邮件队列。

CVSS 9.8 · Critical EPSS 0.81% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
themoos core-moos ≤ 10.4.0 affected
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I. Basic Information for CVE-2026-85424

Vulnerability Information
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Vulnerability Title
MOOS core-moos through 10.4.0 Missing Authentication for MOOSDB Publish, Subscribe and DB_CLEAR
Source: CVE Program / CVE List V5
Vulnerability Description
MOOS core-moos through 10.4.0 lacks authentication in the wire protocol, allowing unauthenticated clients to connect with full publish, subscribe, and database clear privileges. Attackers can bypass the compile-time protocol string check and connect with arbitrary client names to execute privileged operations including DB_CLEAR which resets all variables and clears client mail queues.
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: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
themoos core-moos 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
themoos core-moos是themoos组织的一个提供网络功能的操作系统。 themoos core-moos 10.4.0及之前版本存在授权问题漏洞，该漏洞源于网络协议缺乏身份验证，可能导致未经身份验证的攻击者绕过编译时协议字符串检查，以任意客户端名称连接并执行包括DB_CLEAR在内的特权操作，重置所有变量并清除客户端邮件队列。
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
themoos core-moos 0 ~ 10.4.0 -

II. Public POCs for CVE-2026-85424

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III. Intelligence Information for CVE-2026-85424

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Patches & Fixes for CVE-2026-85424 (2)

Vendor Advisories for CVE-2026-85424 (1)

Vendor Pages for CVE-2026-85424 (1)

Same Patch Batch · themoos · 2026-09-03 · 18 CVEs total

CVE-2026-85440 9.8 CRITICAL MOOS core-moos through 10.4.0 MOOSDB Pre-Authentication Heap Overflow via Negative Packet
CVE-2026-85433 9.8 CRITICAL MOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route Reconfiguration
CVE-2026-85428 9.8 CRITICAL MOOS core-moos through 10.4.0 MOOSDB HTTP Server Unauthenticated Variable Write
CVE-2026-85430 9.1 CRITICAL MOOS essential-moos through 10.0.1 pShare Unauthenticated UDP Datagram Republishing
CVE-2026-85452 8.8 HIGH MOOS ui-moos through 50b9c6c uMS Buffer Overflow via Long MOOS Identifiers
CVE-2026-85455 8.2 HIGH MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via Short Packet
CVE-2026-85432 8.2 HIGH MOOS core-moos through 10.4.0 MOOSDB Message Source Spoofing via Wire Identity
CVE-2026-85427 8.1 HIGH MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSI
CVE-2026-85443 7.5 HIGH MOOS core-moos through 10.4.0 MOOSDB Accept Loop Denial of Service
CVE-2026-85431 7.5 HIGH MOOS essential-moos through 10.0.1 pMOOSBridge Unauthenticated UDP Packet Injection
CVE-2026-85441 7.5 HIGH MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Leng
CVE-2026-85450 7.5 HIGH MOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource Exhaustion
CVE-2026-85436 7.5 HIGH MOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP Length
CVE-2026-85442 7.5 HIGH MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Unbounded Packet Allocation
CVE-2026-85451 7.1 HIGH MOOS core-moos through 10.4.0 Remote Process Termination via Hard-Coded Multicast Passphra
CVE-2026-85454 6.1 MEDIUM MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in Serial Telegram Handling
CVE-2026-85453 6.1 MEDIUM MOOS core-moos through 10.4.0 MOOSDB HTTP Pages Stored Cross-Site Scripting

IV. Related Vulnerabilities

Same product: core-moos
Same vendor: themoos
Same weakness: CWE-306

V. Comments for CVE-2026-85424

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