URL Parsing Discrepancy in IBM Langflow OSS Affects Sensitive Information Access
CVE-2026-19304

7.7HIGH

Key Information:

Vendor

IBM

Vendor
CVE Published:
4 September 2026

What is CVE-2026-19304?

A vulnerability exists in IBM Langflow OSS from versions 1.0.0 to 1.11.2, where a remote authenticated attacker could exploit a URL parser discrepancy. This flaw allows unauthorized access to sensitive information from internal services, potentially leading to data compromise and breach of privacy.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.11.2

References

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.