CVE-2025-3248

critical

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

https://www.vulncheck.com/advisories/langflow-unauthenticated-rce

https://www.securityweek.com/hackers-start-exploiting-critical-langflow-vulnerability/

https://www.databreachtoday.com/attacks-targeting-langflow-ai-agent-building-tool-surge-a-32712

https://thehackernews.com/2026/09/attackers-exploit-critical-langflow-and.html

https://www.vulncheck.com/blog/pwning-the-ai-stack

https://latesthackingnews.com/2026/07/26/encforge-ransomware-langflow-ai-models/

https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-actively-exploited-langflow-rce-flaw/

https://www.helpnetsecurity.com/2026/07/21/jadepuffer-encforge-ransomware/

https://thehackernews.com/2026/07/new-encforge-ransomware-targets-ai.html

https://www.infosecurity-magazine.com/news/jadepuffer-ai-model-ransomware/

https://www.bleepingcomputer.com/news/security/jadepuffer-agentic-attacks-now-target-ai-model-data-with-ransomware/

https://webflow.sysdig.com/blog/jadepuffer-evolves-the-agentic-threat-actor-deploys-ransomware-built-to-destroy-ai-models

https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-prioritize-patching-langflow-auth-bypass-flaw/

https://thehackernews.com/2026/07/cisa-adds-4-actively-exploited-adobe.html

https://www.infosecurity-magazine.com/news/researchers-first-agentic/

https://www.hipaajournal.com/ai-agent-conducts-first-fully-autonomous-ransomware-attack/

https://www.darkreading.com/cyberattacks-data-breaches/jadepuffer-first-complete-llm-driven-ransomware-attack

https://cyberscoop.com/sysdig-judepuffer-ai-agentic-ransomware-attack/

https://www.bleepingcomputer.com/news/security/jadepuffer-ransomware-used-ai-agent-to-automate-entire-attack/

https://www.securityweek.com/agentic-ai-used-to-conduct-ransomware-attack-via-langflow/

https://thehackernews.com/2026/07/new-avalon-malware-framework-packs.html

https://www.theregister.com/security/2026/07/02/smooth-ai-criminal-drives-first-end-to-end-agentic-ransomware-attack/5266073

https://thehackernews.com/2026/07/ai-agent-exploits-langflow-rce-to.html

https://hackread.com/sysdig-jadepuffer-first-agentic-ransomware-operation/

https://webflow.sysdig.com/blog/jadepuffer-agentic-ransomware-for-automated-database-extortion

https://thehackernews.com/2026/06/langflow-rce-exploited-to-deploy-monero.html

https://www.bleepingcomputer.com/news/security/path-traversal-flaw-in-ai-dev-platform-langflow-exploited-in-attacks/

https://intezer.com/blog/how-attackers-access-llm-inference/

https://www.helpnetsecurity.com/2026/03/27/cve-2026-33017-cve-2026-33634-exploited/

https://thehackernews.com/2026/03/langchain-langgraph-flaws-expose-files.html

https://www.darkreading.com/vulnerabilities-threats/critical-flaw-langflow-ai-platform-under-attack

https://www.bleepingcomputer.com/news/security/cisa-new-langflow-flaw-actively-exploited-to-hijack-ai-workflows/

https://securityaffairs.com/190018/security/u-s-cisa-adds-a-langflow-flaw-to-its-known-exploited-vulnerabilities-catalog.html

https://thehackernews.com/2026/03/critical-langflow-flaw-cve-2026-33017.html

https://www.sysdig.com/blog/cve-2026-33017-how-attackers-compromised-langflow-ai-pipelines-in-20-hours

https://securelist.com/vulnerabilities-and-exploits-in-q2-2025/117333/

https://www.darkreading.com/remote-workforce/threat-actors-leaning-genai-tools

https://hackread.com/langflow-vulnerability-cve-2025-3248-actively-exploited-cisa/

https://www.securityweek.com/critical-vulnerability-in-ai-builder-langflow-under-attack/

https://www.cisa.gov/news-events/alerts/2025/05/05/cisa-adds-one-known-exploited-vulnerability-catalog

https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/

https://www.tenable.com/blog/the-agentic-ai-threat-cluster-seven-incidents-three-actors-and-what-they-mean

https://github.com/joaovicdev/EXPLOIT-CVE-2026-9198

https://github.com/HaakimSec/zero2shell-50

https://github.com/Atomics-hub/exposecheck

https://github.com/diedromeo/CVE-Labs-2025-2026

https://github.com/elaz48/langdoctor

https://github.com/allannjuguna/Exploit-Development

https://github.com/HORKimhab/poc-cve-collection

https://github.com/1392081456/sigma-detection-rules

https://github.com/bndxn/cve-awareness

https://github.com/get-xor/coreweave-demo-2026-05

https://github.com/MaxMnMl/langflow-CVE-2026-33017-poc

https://github.com/nebari-playground/langflow-cve-2025-3248

https://github.com/EvanThomasLuke/HACK-AGI-CONTAINERS

https://github.com/b0ySie7e/CVE-2025-3248-POC

https://github.com/drackyjr/cve-2025-3248-exploit

https://github.com/verylazytech/CVE-2025-64446

https://github.com/bambooqj/cve-2025-3248

https://github.com/star5o/AutoPoC

https://github.com/galgantar/langflow-cve

https://github.com/r0otk3r/CVE-2025-3248

https://github.com/dennisec/Mass-CVE-2025-3248

https://github.com/dennisec/CVE-2025-3248

https://github.com/0-d3y/langflow-rce-exploit

https://github.com/issamjr/CVE-2025-3248-Scanner

https://github.com/B1ack4sh/Blackash-CVE-2025-3248

https://github.com/zapstiko/CVE-2025-3248

https://github.com/imbas007/CVE-2025-3248

https://github.com/ynsmroztas/CVE-2025-3248-Langflow-RCE

https://github.com/tiemio/RCE-CVE-2025-3248

https://github.com/Vip3rLi0n/CVE-2025-3248

https://github.com/vigilante-1337/CVE-2025-3248

https://github.com/PuddinCat/GithubRepoSpider

https://github.com/Praison001/CVE-2025-3248

https://github.com/heqnx/cve-poc-mon

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248

https://github.com/langflow-ai/langflow/releases/tag/1.3.0

https://github.com/langflow-ai/langflow/pull/6911

Details

Source: Mitre, NVD

Published: 2025-04-07

Updated: 2026-07-14

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.99996