Description
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.
Published: 2026-09-04
Score: 7.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.11.3 https://pypi.org/project/langflow/

Tracking

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Advisories

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History

Wed, 09 Sep 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Langflow
Langflow langflow
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Langflow
Langflow langflow
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Fri, 04 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-918
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.11.2:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}


Subscriptions

Apple Macos
Ibm Langflow Oss
Langflow Langflow
Linux Linux Kernel
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-09-08T17:14:54.503Z

Reserved: 2026-08-07T17:28:02.690Z

Link: CVE-2026-19304

cve-icon Vulnrichment

Updated: 2026-09-08T17:14:48.783Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-04T16:17:24.200

Modified: 2026-09-08T22:10:22.517

Link: CVE-2026-19304

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-04T16:30:06Z

Weaknesses