Is langflow affected by CVE-2026-33309?

PyPI langflow is affected in >=1.2.0 <1.9.0.

Is CVE-2026-33309 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 1.4%.

critical

CVE-2026-33309

Q: Is CVE-2026-33309 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 1.4%.

PyPI · langflow

Summary

Langflow is a tool for building and deploying AI-powered agents and workflows. Versions 1.2.0 through 1.8.1 have a bypass of the patch for CVE-2025-68478 (External Control of File Name), leading to the root architectural issue within `LocalStorageService` remaining unresolved. Because the underlying

Severity: critical
EPSS: 1.4% (p69)
Also known as: GHSA-g2j9-7rj2-gm6c, PYSEC-2026-79
Published: 2026-03-24

References

https://github.com/langflow-ai/langflow/security/advisories/GHSA-g2j9-7rj2-gm6c

Related advisories

CVE-2026-55450 — critical · PyPI/langflow
CVE-2026-48519 — critical · PyPI/langflow
CVE-2026-42048 — critical · PyPI/langflow
CVE-2026-33873 — critical · PyPI/langflow
CVE-2026-33017 — critical · PyPI/langflow
CVE-2026-27966 — critical · PyPI/langflow
CVE-2025-34291 — critical · PyPI/langflow
CVE-2025-3248 — critical · PyPI/langflow

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.