Description
IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.
Published: 2026-08-19
Score: 7.5 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 1.10.1 https://pypi.org/project/langflow/

Tracking

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Advisories

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History

Wed, 26 Aug 2026 21:00:00 +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, 21 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Ibm langflow Oss
Vendors & Products Ibm langflow Oss

Thu, 20 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 19 Aug 2026 17:45:00 +0000

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.
Title Unauthenticated Registration POST Endpoint Permits Admin Email Overwrite and Outbound Relay Abuse in Langflow
First Time appeared Ibm
Ibm langflow
Weaknesses CWE-306
CPEs cpe:2.3:a:ibm:langflow:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow:1.10.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}


Subscriptions

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

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-08-20T15:57:08.018Z

Reserved: 2026-08-14T14:08:13.288Z

Link: CVE-2026-19875

cve-icon Vulnrichment

Updated: 2026-08-20T15:51:15.272Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-19T18:16:36.557

Modified: 2026-08-26T20:51:46.177

Link: CVE-2026-19875

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T20:45:03Z

Weaknesses