ByteOS

Assigner-IBM Corporation

CVSS Score-8.8||HIGH

EPSS-0.04% / 12.76%

||

7 Day CHG~0.00%

Published-30 Apr, 2026 | 21:11

Updated-11 May, 2026 | 17:04

Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.

CWE ID-CWE-94

Improper Control of Generation of Code ('Code Injection')

CVE-2026-3345

Assigner-IBM Corporation

Assigner-IBM Corporation

CVSS Score-6.5||MEDIUM

EPSS-0.06% / 18.20%

||

7 Day CHG+0.01%

Published-30 Apr, 2026 | 21:11

Updated-11 May, 2026 | 17:05

Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint

IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.

CWE ID-CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2026-3346

Assigner-IBM Corporation

Assigner-IBM Corporation

CVSS Score-6.4||MEDIUM

EPSS-0.03% / 8.34%

||

7 Day CHG~0.00%

Published-30 Apr, 2026 | 21:06

Updated-11 May, 2026 | 17:06

Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw

IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

CWE ID-CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVE-2026-3340

Assigner-IBM Corporation

Assigner-IBM Corporation

CVSS Score-6.5||MEDIUM

EPSS-0.03% / 9.16%

||

7 Day CHG+0.01%

Published-30 Apr, 2026 | 21:04

Updated-11 May, 2026 | 17:05

Server-Side Request Forgery (SSRF) in Langflow URL Component

IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow 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.

CWE ID-CWE-918

Server-Side Request Forgery (SSRF)

CVE-2026-4502

Assigner-IBM Corporation

Assigner-IBM Corporation

CVSS Score-6.5||MEDIUM

EPSS-0.05% / 16.20%

||

7 Day CHG+0.01%

Published-30 Apr, 2026 | 20:57

Updated-11 May, 2026 | 17:06

Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API

IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

CWE ID-CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2026-4503

Assigner-IBM Corporation

Assigner-IBM Corporation

CVSS Score-7.5||HIGH

EPSS-0.05% / 16.35%

||

7 Day CHG+0.01%

Published-30 Apr, 2026 | 20:48

Updated-11 May, 2026 | 17:06

Unauthenticated Insecure Direct Object Reference (IDOR) Vulnerability in Langflow Desktop Image Download Endpoint

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow could allow an unauthenticated user to view other users' images due to an indirect object reference through a user-controlled key.