CVE-2025-3248

langflow-ai langflow

Published 7 Apr 2025 · updated 14 Jul 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 5 May 2025, with a remediation deadline of 26 May 2025 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

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.

References

github.com/langflow-ai/langflow/pull/6911 · Patch
github.com/langflow-ai/langflow/releases/tag/1.3.0 · Release Notes
www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/ · Exploit, Third Party Advisory
www.vulncheck.com/advisories/langflow-unauthenticated-rce · Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 · US Government Resource