CVE-2026-30968— Coral Server has insufficient validation of agent identity for SSE connections
Quick assessment
Affected
Coral-Protocol coral-server
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.
coral-server是CoralOS开源的一个基于Docker的服务器运行与配置管理工具。 coral-server 1.1.0之前版本存在安全漏洞，该漏洞源于SSE端点未严格验证连接代理的合法性，可能导致未经授权的消息注入或观察。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-30968
Vulnerability Information
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Vulnerability Title
Coral Server has insufficient validation of agent identity for SSE connections
Source: CVE Program / CVE List V5
Vulnerability Description
Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. Prior to 1.1.0, the SSE endpoint (/sse/v1/...) in Coral Server did not strongly validate that a connecting agent was a legitimate participant in the session. This could theoretically allow unauthorized message injection or observation. This vulnerability is fixed in 1.1.0.
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:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
coral-server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
coral-server是CoralOS开源的一个基于Docker的服务器运行与配置管理工具。 coral-server 1.1.0之前版本存在安全漏洞，该漏洞源于SSE端点未严格验证连接代理的合法性，可能导致未经授权的消息注入或观察。
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 |
|---|---|---|---|---|
| Coral-Protocol | coral-server | < 1.1.0 | - |
|
II. Public POCs for CVE-2026-30968
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-30968 (1)
Vendor Pages for CVE-2026-30968 (1)
-
Release v1.1.0 · Coral-Protocol/coral-server · GitHub x_refsource_MISC
Same Patch Batch · Coral-Protocol · 2026-03-10 · 3 CVEs total
| CVE-2026-30970 | Session authentication bypass in Coral Server session creation endpoint | |
| CVE-2026-30969 | Coral Server has insufficient agent authentication in session communication channels |
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V. Comments for CVE-2026-30968
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