{"id":"CVE-2026-110186","kind":"vulnerability","aliases":["CVE-2026-110186"],"related":[],"title":"Langflow: flaw in code generation lets remote attacker run code","description":"IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to execute arbitrary code due to improper control of code generation.","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.8 fail to control code generation, so input can be turned into code that runs. A remote attacker could execute arbitrary code on the server running Langflow.","severity":"critical","cvss":9.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-tooling","langflow","python","self-hosted"],"not_affected_if":["no-network-exposure","version-above-1.12.8"],"how_to_check":"- Check the installed Langflow version with `langflow --version` or `pip show langflow`\n- Look for Langflow instances reachable from the internet or untrusted networks","fix":"- Langflow OSS: move to a version above `1.12.8` (the sources do not name the exact fixed release)","status":"open","published_at":"2026-10-29T16:17:55+00:00","first_seen_at":"2026-10-29T16:25:56+00:00","triaged_at":"2026-10-29T16:27:42+00:00","updated_at":"2026-10-29T16:27:42+00:00","category":"ai-tooling","confidence":0.6,"triage":{"at":"2026-10-29T16:27:42Z","model":"claude-haiku-5-5","output":{"fix":"- Langflow OSS: move to a version above `1.12.8` (the sources do not name the exact fixed release)","reach":"internet","title":"Langflow: flaw in code generation lets remote attacker run code","impact":"high","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.8 fail to control code generation, so input can be turned into code that runs. A remote attacker could execute arbitrary code on the server running Langflow.","audience":"businesses","category":"ai-tooling","nicknames":[],"who_cares":["langflow","self-hosted","python"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Remote attacker runs arbitrary code on the Langflow server","analyst_note":"Confirm the fixed Langflow version and whether authentication or a non-default feature is required, from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-110186 and IBM's advisory.","how_to_check":"- Check the installed Langflow version with `langflow --version` or `pip show langflow`\n- Look for Langflow instances reachable from the internet or untrusted networks\n- unknown for any other specific check, the sources do not say","plain_action":"","needs_analyst":true,"not_affected_if":["version-above-1.12.8","no-network-exposure"],"who_is_affected":"Teams running IBM Langflow OSS from 1.0.0 through 1.12.8, especially self-hosted instances that accept input from users or the network. Instances on a version above 1.12.8 or kept off untrusted networks are less exposed. The sources do not say which configurations are vulnerable by default.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000717,"input_tokens":4089,"output_tokens":616,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-110186':13A,16A '-2026':12A,15A '1.0.0':29B,61C '1.12.8':31B,63C 'ai':18B 'ai-tool':17B 'allow':65C 'arbitrari':51B,71C 'attack':8A,48B,68C 'code':4A,10A,35B,43B,52B,72C,78C 'control':34B,76C 'could':49B,64C 'cve':11A,14A 'due':73C 'execut':50B,70C 'fail':32B 'flaw':2A 'generat':5A,36B,79C 'host':24B 'ibm':25B,58C 'improp':75C 'input':38B 'langflow':1A,20B,26B,57B,59C 'let':6A 'oss':27B,60C 'python':21B 'remot':7A,47B,67C 'run':9A,45B,56B 'self':23B 'self-host':22B 'server':55B 'tool':19B 'turn':41B 'version':28B","nicknames":[],"mitigations":[],"who_affected":"Teams running IBM Langflow OSS from 1.0.0 through 1.12.8, especially self-hosted instances that accept input from users or the network. Instances on a version above 1.12.8 or kept off untrusted networks are less exposed. The sources do not say which configurations are vulnerable by default.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:17:55+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-110186","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110186","severity":null,"published_at":"2026-10-29T16:17:55+00:00","modified_at":"2026-10-29T16:17:55+00:00","first_seen_at":"2026-10-29T16:25:56+00:00","fetched_at":"2026-10-29T16:25:56+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}