PT-2026-107312

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.2 Description Improper access control allows a remote authenticated attacker to execute arbitrary code. Recommendations Upgrade to version 1.12.3...

PT-2026-107316

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.2 Description Remote authenticated attackers can obtain sensitive information because credentials are not sufficiently protected. Recommendations Update IBM Langflow OSS to a version later than 1.12...

PT-2026-107332

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.2 Description Improper input validation allows a remote authenticated attacker to execute arbitrary code. Recommendations Update IBM Langflow OSS to a version later than 1.12.2...

PT-2026-107327

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.2 Description A remote attacker can execute arbitrary code because the code security scanner uses an incomplete blocklist, which fails to prevent all malicious inputs. Recommendations Update IBM...

PT-2026-107253

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.2 Description An issue exists where an attacker with access to the server secret and Redis write access can submit a malicious serialized cache value. Upon retrieval, the deserialization process can...

EUVD-2026-53547

Langflow: Weak Fernet Key via random.seed...

Security Bulletin: Langflow OSS is affected by multiple vulnerabilities

Summary Langflow OSS is affected by multiple vulnerabilities involving code-execution restrictions, access controls, sensitive-data handling, file access, and archive processing. Depending on deployment configuration, an attacker could execute code, read or modify data without authorization,...

Security Bulletin: Langflow OSS is affected by server-side request forgery

Summary Langflow OSS provides integration connectors, API request components, and knowledge base vector store integrations that make outbound network calls. An attacker can craft network requests that bypass hostname validation, internationalized domain name handling, and URL restrictions. This...

CVE-2026-9198

CVE-2026-9198 - IBM Langflow OSS 未认证远程代码执行（RCE） 影响 IBM Langflow OSS 的严重未认证远程代码执行漏洞。 该漏洞源于以下两个弱点的组合利用： 1. /api/v1/autologin 可向未认证的网络调用者签发具有特权的 SUPERUSER Bearer 令牌。 2. /api/v1/validate/code 会在不安全的执行上下文中处理攻击者控制的 Python 代码。 一旦组合利用，这些弱点就可能导致以 Langflow 后端进程的权限执行任意 Python 代码。 该漏洞的 CVSS v3.1 评分为 9.8（严重）...

Vulnerabilities found in IBM Langflow OSS and IBM MQ Appliance

IBM has identified 12 vulnerabilities in IBM MQ, IBM MQ Appliance, and Langflow OSS. These vulnerabilities could allow for the execution of arbitrary code or commands. Four of these vulnerabilities are classified as critical and can be exploited without authentication or user interaction. The...

Exploit for Code Injection in Langflow

CVE-2026-17633 & CVE-2026-17632 — IBM Langflow OSS RCE Fo...

EUVD-2026-78164

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

CVE-2026-12944

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

CVE-2026-12944 Incomplete Security Scanner Blocklist Enables Network-Based Code Execution

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

CVE-2026-12944 Incomplete Security Scanner Blocklist Enables Network-Based Code Execution

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

CVE-2026-12944

IBM Langflow OSS 1.0.0 through 1.10.0 contains a vulnerability in its code security scanner where the DANGEROUS_IMPORTS blocklist correctly blocked subprocess but omitted the socket and urllib standard library modules. This allowed authenticated users to submit components containing socket.connec...

CVE-2026-12763

IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context due to improper cache key isolation in the MCP Tools component...

CVE-2026-12766

IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery SSRF. This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks...

CVE-2026-12767

IBM Langflow OSS 1.0.0 through 1.11.5 is vulnerable to server-side request forgery SSRF. This may allow an unauthenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks...

CVE-2026-12763

IBM Langflow OSS (versions 1.0.0 through 1.11.5) is affected by improper cache key isolation in the MCP Tools component . The component caches discovered MCP tools in a shared process-local cache keyed only by the MCP server display name, without incorporating the user, session, flow, or resolved...