CVE-2026-9130— Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Langflow OSS | 1.0.0≤ 1.10.3 | affected |
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I. Basic Information for CVE-2026-9130
Vulnerability Information
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Vulnerability Title
Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via session_id collision. The MemoryComponent.retrieve_messages and store_message methods filter on session_id without validating flow_id or user_id ownership, enabling cross-user information disclosure through multiple authenticated API endpoints including /api/v1/run/*, /api/v1/responses, and /api/v2/workflow/*. This vulnerability only affects multi-user deployments with LANGFLOW_AUTO_LOGIN=False.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Langflow OSS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Langflow OSS是美国IBM公司的一款可视化构建AI工作流的低代码工具平台。 IBM Langflow OSS 1.0.0版本至1.10.3版本存在安全漏洞，该漏洞源于MemoryComponent组件中的授权绕过，其retrieve_messages和store_message方法仅通过session_id过滤而未验证flow_id或user_id所有权，可能导致已认证用户通过session_id碰撞访问其他用户的聊天记录，造成跨用户信息泄露。
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 |
|---|---|---|---|---|
| IBM | Langflow OSS | 1.0.0 ~ 1.10.3 | cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-9130
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-9130 (1)
Same Patch Batch · IBM · 2026-08-05 · 32 CVEs total
| CVE-2026-17626 | 8.8 HIGH | Langflow is affected by security vulnerabilities in Model Context Protocol features |
| CVE-2026-17632 | 8.8 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-17623 | 8.8 HIGH | Langflow is affected OS Command Injection in Model Context Protocol features |
| CVE-2026-8182 | 8.8 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-9201 | 8.8 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-8478 | 8.8 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-17633 | 8.5 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-17624 | 8.5 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-9077 | 8.5 HIGH | Reliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Proto |
| CVE-2026-17617 | 8.5 HIGH | Server-Side Request Forgery (SSRF) in IBM Application Gateway Operator |
| CVE-2026-10025 | 8.2 HIGH | IBM QRadar SIEM has an XML External Entity (XXE) injection vulnerability |
| CVE-2026-8400 | 8.1 HIGH | Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and WebS |
| CVE-2026-9196 | 8.1 HIGH | Langflow OSS is affected by arbitrary code execution in component generation, validation, |
| CVE-2026-8183 | 7.7 HIGH | Langflow OSS is affected by arbitrary code execution in custom component validation and tr |
| CVE-2026-8446 | 7.5 HIGH | Langflow is affected by security vulnerabilities in Model Context Protocol features |
| CVE-2026-8470 | 7.4 HIGH | Langflow is affected by weaknesses in secret handling and sensitive configuration access |
| CVE-2026-9205 | 7.4 HIGH | Langflow is affected by weaknesses in secret handling and sensitive configuration access |
| CVE-2026-17625 | 7.2 HIGH | Langflow is affected by OS Command Injection in Model Context Protocol features |
| CVE-2026-17630 | 7.2 HIGH | Langflow is affected by security vulnerabilities in Model Context Protocol features |
| CVE-2026-9081 | 7.1 HIGH | Langflow OSS is affected by server-side request forgery in provider validation and API req |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Langflow OSS
- CVE-2026-19297
Insufficient Authentication Brute Force Protection on Login - CVE-2026-17624
Langflow OSS is affected by arbitrary code execution in comp - CVE-2026-17633
Langflow OSS is affected by arbitrary code execution in comp - CVE-2026-17632
Langflow OSS is affected by arbitrary code execution in comp - CVE-2026-9196
Langflow OSS is affected by arbitrary code execution in comp
Same vendor: IBM
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IBM Db2 Mirror for i is affected by multiple vulnerabilities
V. Comments for CVE-2026-9130
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