7.1
High
CVE-2026-9130 IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows…
Description
IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via session_id collision. The MemoryComponent.retrieve_messages and store_message methods filter on session_id without validating flow_id or user_id ownership, enabling cross-user information disclosure through multiple authenticated API endpoints including /api/v1/run/*, /api/v1/responses, and /api/v2/workflow/*. This vulnerability only affects multi-user deployments with LANGFLOW_AUTO_LOGIN=False.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Langflow OSS 1.0 | 1.0.0 → 1.10.3 | No fix stated |
Other CVEs of Langflow OSS
The 176 CVEs of Langflow OSS →
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IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote attacker to trigger pre-existing stored Python component code…
6.5
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CVE-2026-77817
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to…
6.5
Medium
CVE-2026-77819
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6.5
Medium
CVE-2026-90991
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6.5
Medium