IBM Langflow OSS 1.0.0-1.10.1 Auth Bypass: Log Retrieve & Build Endpoints
CVE-2026-12945 Published on July 30, 2026
Langflow is affected by exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints
IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and manipulate other users' build jobs through improper access control on log retrieval and unauthenticated build endpoints.
Vulnerability Analysis
CVE-2026-12945 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and a small impact on availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2026-12945 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2026-12945
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.1 is affected.