CVE-2026-107366 — Langflow OSS Authorization Bypass Through User-Controlled Key

CVE-2026-107366

Langflow OSS Authorization Bypass Through User-Controlled Key PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
IBM / Langflow OSS	affected 1.0.0 through 1.12.4

CWE

CWE-639

References

https://www.ibm.com/support/pages/node/7293016

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.