CVE-2025-3248: Langflow Unauth RCE
(updated )
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/advisories/GHSA-rvqx-wpfh-mfx7
- github.com/langflow-ai/langflow/commit/faac4db133de32fcb6d483fa9ff52f40ce42bdc0
- github.com/langflow-ai/langflow/pull/6911
- github.com/langflow-ai/langflow/releases/tag/1.3.0
- github.com/langflow-ai/langflow/security/advisories/GHSA-rvqx-wpfh-mfx7
- github.com/pypa/advisory-database/tree/main/vulns/langflow-base/PYSEC-2026-380.yaml
- nvd.nist.gov/vuln/detail/CVE-2025-3248
- pypi.org/project/langflow-base
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248
- www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai
- www.vulncheck.com/advisories/langflow-unauthenticated-rce
Code Behaviors & Features
Detect and mitigate CVE-2025-3248 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →