High severity8.3NVD Advisory· Published Oct 20, 2026

CVE-2026-107366

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

IBM/Langflow OSSllm-fuzzy
Range: 1.0.0 - 1.12.4

Patches

Vulnerability mechanics

References

www.ibm.com/support/pages/node/7293016nvd

News mentions

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