IBM Langflow OSS 1.0-1.11.2: Incomplete Credential Scrubbing Allows Info Leak
CVE-2026-19300 Published on September 4, 2026
Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collision and incomplete secret scrubbing on public flows
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing of sensitive credential fields.
Vulnerability Analysis
CVE-2026-19300 is exploitable with network access, and does not require authorization privileges or user interaction. 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 availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2026-19300 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2026-19300
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.11.2 is affected.