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VULNERABILITIES

CVE-2026-107366 Details

Description

IBM Langflow OSS 1.0.0 through 1.12.4 contains three message endpoints that perform no ownership verification. Any authenticated user can bulk-delete another user's messages, overwrite message content to inject malicious prompts, or hijack an entire conversation session by reassigning its session ID.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.ibm.com/support/pages/node/7293016 [email protected]Vendor AdvisoryPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
langflow langflow
>= 1.0.0, < 1.12.5

CPE

  • cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107366
NVD Published Date:
Oct 20, 2026
NVD Last Modified:
Nov 3, 2026
Source:
[email protected]
CVE-2026-107366 Details - Not Deferred