CVE-2026-19304
Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.
| CWE | CWE-918 |
| Vendor | ibm |
| Product | langflow oss |
| Published | Sep 4, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
IBM / Langflow OSS
1.0.0 ≤ 1.11.2