Is CVE-2026-13435 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13435?

CVE-2026-13435 has a CVSS v3 severity of CRITICAL (9.9).

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Description

IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.