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CVE-2026-7658— Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

CVSS 6.5 · Medium EPSS 0.34% · P26

Affected Version Matrix 1

VendorProductVersion RangeStatus
IBMLangflow OSS1.0.0≤ 1.10.3affected
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I. Basic Information for CVE-2026-7658

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 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing key deletion leading to session invalidation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Langflow OSS 路径遍历漏洞
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版本存在路径遍历漏洞，该漏洞源于未正确验证用户名字段，可能导致攻击者注入路径遍历序列并绕过包含检查，造成任意目录删除、跨租户数据破坏以及JWT签名密钥删除导致会话失效。
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

VendorProductAffected VersionsCPESubscribe
IBMLangflow OSS 1.0.0 ~ 1.10.3 cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7658

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III. Intelligence Information for CVE-2026-7658

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Vendor Advisories for CVE-2026-7658 (1)

Same Patch Batch · IBM · 2026-08-05 · 32 CVEs total

CVE-2026-176328.8 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-176268.8 HIGHLangflow is affected by security vulnerabilities in Model Context Protocol features
CVE-2026-81828.8 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-92018.8 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-84788.8 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-176238.8 HIGHLangflow is affected OS Command Injection in Model Context Protocol features
CVE-2026-176338.5 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-90778.5 HIGHReliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Proto
CVE-2026-176248.5 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-176178.5 HIGHServer-Side Request Forgery (SSRF) in IBM Application Gateway Operator
CVE-2026-100258.2 HIGHIBM QRadar SIEM has an XML External Entity (XXE) injection vulnerability
CVE-2026-84008.1 HIGHMultiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and WebS
CVE-2026-91968.1 HIGHLangflow OSS is affected by arbitrary code execution in component generation, validation,
CVE-2026-81837.7 HIGHLangflow OSS is affected by arbitrary code execution in custom component validation and tr
CVE-2026-84467.5 HIGHLangflow is affected by security vulnerabilities in Model Context Protocol features
CVE-2026-84707.4 HIGHLangflow is affected by weaknesses in secret handling and sensitive configuration access
CVE-2026-92057.4 HIGHLangflow is affected by weaknesses in secret handling and sensitive configuration access
CVE-2026-176257.2 HIGHLangflow is affected by OS Command Injection in Model Context Protocol features
CVE-2026-176307.2 HIGHLangflow is affected by security vulnerabilities in Model Context Protocol features
CVE-2026-90817.1 HIGHLangflow 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
Same vendor: IBM
Same weakness: CWE-22

V. Comments for CVE-2026-7658

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