Authmissing in IBM Langflow OSS leads to info disclosure & DoS (v1.0.01.9.6)
CVE-2026-10560 Published on June 30, 2026
Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS
IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/build_public_tmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service.
Vulnerability Analysis
CVE-2026-10560 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 no impact on availability.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-10560 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2026-10560
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.9.6 is affected.