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6.5 Medium

CVE-2026-7658 IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path…

Description

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing key deletion leading to session invalidation.

Affected products and versions

Product Affected versions Fixed in
Langflow OSS 1.0 1.0.0 → 1.10.3 No fix stated

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