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CVE-2026-107366

HIGH NVD
CVSS Score
8.3
Severity
HIGH
Source
NVD
Published
Oct 20, 2026
Description

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.

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