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CVE-2026-73082— Activepieces: Server-side request forgery in MCP tool validation endpoint

Quick assessment

Affected
activepieces activepieces
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.

Activepieces是Activepieces组织的一个可视化工作流自动化平台。 Activepieces 0.82.0之前版本存在安全漏洞，该漏洞源于对用户提供的serverUrl缺乏URL验证和SSRF防护，可能导致经过身份验证的攻击者使服务器连接到内部服务、云元数据端点或任意外部主机，并探测网络可达性。

CVSS 5.3 · Medium EPSS 0.25% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
activepieces activepieces < 0.82.0 affected
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I. Basic Information for CVE-2026-73082

Vulnerability Information
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Vulnerability Title
Activepieces: Server-side request forgery in MCP tool validation endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Activepieces is an open source AI workflow automation platform. Prior to 0.82.0, the POST /api/v1/projects/:projectId/mcp-server/validate-agent-mcp-tool endpoint makes an outbound HTTP or SSE request to a user-supplied serverUrl without URL validation or SSRF protection. An authenticated user can cause the Activepieces server to connect to internal services, cloud metadata endpoints, or arbitrary external hosts and probe network reachability from the Activepieces host. This issue is fixed in version 0.82.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Activepieces 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Activepieces是Activepieces组织的一个可视化工作流自动化平台。 Activepieces 0.82.0之前版本存在安全漏洞，该漏洞源于对用户提供的serverUrl缺乏URL验证和SSRF防护，可能导致经过身份验证的攻击者使服务器连接到内部服务、云元数据端点或任意外部主机，并探测网络可达性。
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
activepieces activepieces < 0.82.0 -

II. Public POCs for CVE-2026-73082

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III. Intelligence Information for CVE-2026-73082

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Patches & Fixes for CVE-2026-73082 (1)

Vendor Advisories for CVE-2026-73082 (1)

Same Patch Batch · activepieces · 2026-08-11 · 4 CVEs total

CVE-2026-73081 8.7 HIGH Activepieces: Remote Code Execution via Command Injection in Code Step Name
CVE-2026-73083 7.6 HIGH Activepieces: V8 Isolate Sandbox Bypass via importFresh Module Loading
CVE-2026-73084 6.1 MEDIUM Activepieces: Reflected Cross-Site Scripting in OAuth Redirect Endpoint

IV. Related Vulnerabilities

Same product: activepieces
Same vendor: activepieces
Same weakness: CWE-200

V. Comments for CVE-2026-73082

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