Is langflow affected by CVE-2026-34046?

PyPI langflow is affected in <1.5.1.

Is CVE-2026-34046 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-34046

Q: Is CVE-2026-34046 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · langflow • PyPI · langflow-base

Summary

Langflow: Authenticated Users Can Read, Modify, and Delete Any Flow via Missing Ownership Check

Severity: high
EPSS: 0.4% (p32)
Also known as: GHSA-8c4j-f57c-35cf#langflow, GHSA-8c4j-f57c-35cf#langflow-base
Published: 2026-03-27

References

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-2026-33309 — critical · PyPI/langflow
CVE-2026-33017 — critical · PyPI/langflow
CVE-2026-27966 — critical · PyPI/langflow
CVE-2025-34291 — 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.