Is langflow affected by CVE-2026-42048?

PyPI langflow is affected in <1.9.0.

Is CVE-2026-42048 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

critical

CVE-2026-42048

Q: Is CVE-2026-42048 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

PyPI · langflow

Summary

Langflow Knowledge Bases API is Vulnerable to Path Traversal

Severity: critical
EPSS: 0.5% (p40)
Also known as: GHSA-9whx-c884-c68q
Published: 2026-05-05

References

https://github.com/langflow-ai/langflow/security/advisories/GHSA-9whx-c884-c68q
https://nvd.nist.gov/vuln/detail/CVE-2026-42048
https://github.com/langflow-ai/langflow

Related advisories

CVE-2026-55450 — critical · PyPI/langflow
CVE-2026-48519 — 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
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.