CVE-2025-3248
9.8 critical
KEV · due 2025-05-26
ransomware
exploit ×31
SSVC exploitation: active
Analyzed
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.
Fix
Public exploits 31
- Langflow AI RCE (exploit module) Metasploit · verified · 2025-04-09
- Langflow 1.2.x - Remote Code Execution (RCE) (webapps · multiple) Exploit-DB · 2025-07-16
- Langflow 1.3.0 - Remote Code Execution (RCE) (remote · multiple) Exploit-DB · 2025-04-18
- 0-d3y/langflow-rce-exploit PoC on GitHub
- 0xgh057r3c0n/CVE-2025-3248 PoC on GitHub
- 12-test-12/CVE-2025-3248 PoC on GitHub
- Atomics-hub/exposecheck PoC on GitHub
- EQSTLab/CVE-2025-3248 PoC on GitHub
- GraySignal/CVE-2025-3248 PoC on GitHub
- Kiraly07/Demo_CVE-2025-3248 PoC on GitHub
- PuddinCat/CVE-2025-3248-POC PoC on GitHub
- Vip3rLi0n/CVE-2025-3248 PoC on GitHub
- b0ySie7e/CVE-2025-3248-POC PoC on GitHub
- bambooqj/cve-2025-3248 PoC on GitHub
- cpwjdgh/CVE-2025-3248-CTF-Lab PoC on GitHub
- dennisec/Mass-CVE-2025-3248 PoC on GitHub
- drackyjr/cve-2025-3248-exploit PoC on GitHub
- hideki233/CVE-2025-3248-Langflow-RCE PoC on GitHub
- ill-deed/Langflow-CVE-2025-3248-Multi-target PoC on GitHub
- imbas007/CVE-2025-3248 PoC on GitHub
- and 11 more
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
CISA KEV required action · due 2025-05-26
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added to the catalog 2025-05-05. CISA KEV
Patch, vendor advisory and mitigation references on NVD 1
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · in KEV · langflowNVD modified 2026-10-08 16:16
Affected (CPE criteria) 1
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
References 5
- https://github.com/langflow-ai/langflow/pull/6911 Patch
- https://github.com/langflow-ai/langflow/releases/tag/1.3.0 Release Notes
- https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/ Exploit, Third Party Advisory
- https://www.vulncheck.com/advisories/langflow-unauthenticated-rce Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 US Government Resource