CVE-2026-7803 CRITICAL

CVE-2026-7803: Flow Validation Bypass via Empty Component Type Field

Vendor Ibm

Product Langflow OSS

Weakness CWE-20 · Input validation

Published June 30, 2026

Last update July 1, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

IBM Langflow OSS 1.0.0 through 1.10.0 could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.

Key dates

02Disclosure timeline

June 30, 2026 CVE published

July 1, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-7803 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/20.html

Related vulnerabilities

CVE-2026-7803: Flow Validation Bypass via Empty Component Type Field

01Description

02Disclosure timeline

03References

04Related CVE