CRITICALCVSS 9.8EPSS 100.0%KNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2025-3248

CVE-2025-3248 updated by NVD

Published: 2025-05-05
Modified: 2026-11-04
EPSS percentile: 100%
Sources: cisa-kev, github-advisory, nvd

Summary

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
PyPI	langflow	—	1.3.0
PyPI	langflow-base	—	0.3.0

Remediation: Upgrade to 1.3.0 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3248

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.