CVE-2026-7787 PUBLISHED

Unauthenticated Session History Access via Public Flow Execution

Assigner: ibm
Reserved: 04.05.2026 Published: 11.06.2026 Updated: 11.06.2026

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	Langflow OSS
Versions	affected from 1.0.0 to 1.9.1 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.9.2 https://pypi.org/project/langflow/ .

References

https://www.ibm.com/support/pages/node/7275453

Problem Types

CWE-639 Authorization Bypass Through User-Controlled Key CWE