{"id":"CVE-2025-3248","title":"Langflow versions prior to 1.3.0 are susceptible to code injection in \nthe /api/v1/validate/code endpoint","summary":"Langflow versions prior to 1.3.0 are susceptible to code injection in \nthe /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary\ncode.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-306","CWE-94","CWE-306"],"vendor":"langflow","product":"langflow","affected":["langflow < 1.3.0"],"patched":["langflow 1.3.0"],"published":"2025-04-07","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-3248","references":[{"url":"https://github.com/langflow-ai/langflow/pull/6911","label":"disclosure@vulncheck.com"},{"url":"https://github.com/langflow-ai/langflow/releases/tag/1.3.0","label":"disclosure@vulncheck.com"},{"url":"https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/langflow-unauthenticated-rce","label":"disclosure@vulncheck.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.9999,"epssPercentile":0.99985,"kev":true,"kevDateAdded":"2025-05-05","kevDueDate":"2025-05-26","kevRansomware":true,"exploited":true,"exploitAvailable":true,"ingestedAt":"2026-07-15T13:44:02.726Z","exploits":{"exploitdb":true,"github":28,"githubRepos":["https://github.com/xuemian168/CVE-2025-3248","https://github.com/PuddinCat/CVE-2025-3248-POC","https://github.com/verylazytech/CVE-2025-3248"],"metasploit":["exploit/multi/http/langflow_unauth_rce_cve_2025_3248"],"nuclei":["CVE-2025-3248"],"checkedAt":"2026-09-19T16:22:58.817Z"},"slug":"CVE-2025-3248","body":"## Overview\n\nLangflow versions prior to 1.3.0 are susceptible to code injection in \nthe /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary\ncode.\n\n## Affected\n\n- `langflow < 1.3.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `langflow 1.3.0`","depth":"hadal","depthScore":100,"depthScoreParts":{"impact":53.9,"likelihood":20,"exploitation":25,"ransomware":5},"changes":[]}