{"id":"CVE-2025-3248","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-3248","generatedAt":"2026-10-31T06:56:55.493Z","title":"Langflow Missing Authentication Vulnerability","description":"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.","published":"2025-04-07T15:15:45.000Z","lastModified":"2026-10-08T16:16:52.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-306","CWE-94"],"affected":["langflow/langflow"],"epss":{"score":0.99993,"percentile":0.99987,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-05-05","dueDate":"2025-05-26","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nThis vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: https://github.com/advisories/GHSA-c995-4fw3-j39m ; https://nvd.nist.gov/vuln/detail/CVE-2025-3248"},"exploits":{"count":2,"verified":false,"firstPublished":"2025-04-18","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":52364,"kind":"exploit","title":"Langflow 1.2.x - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/52364","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/52364.py","file":"exploits/multiple/webapps/52364.py","published":"2025-07-16","added":"2025-07-16","updated":"2025-07-16","author":"Raghad Abdallah Al-syouf","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2025-3248"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":52262,"kind":"exploit","title":"Langflow 1.3.0 -  Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/52262","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/52262.txt","file":"exploits/multiple/remote/52262.txt","published":"2025-04-18","added":"2025-04-18","updated":"2025-04-18","author":"VeryLazyTech","type":"remote","platform":"multiple","port":null,"verified":false,"codes":["CVE-2025-3248"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 26 May 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://github.com/langflow-ai/langflow/pull/6911","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/langflow-ai/langflow/releases/tag/1.3.0","tags":["Release Notes"],"source":"disclosure@vulncheck.com"},{"url":"https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/","tags":["Exploit","Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/langflow-unauthenticated-rce","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-3248","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}