{"id":"CVE-2026-107328","kind":"vulnerability","aliases":["CVE-2026-107328"],"related":[],"title":"IBM Langflow: authenticated users can run arbitrary code via eval","description":"IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to improper neutralization of code in eval/exec.","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.4 fail to neutralize code passed to eval/exec. A logged-in attacker can make the server run code of their choosing.","severity":"critical","cvss":9.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-agents","ai-tooling","langflow","python","self-hosted"],"not_affected_if":["managed-hosting","version-above-1.12.4"],"how_to_check":"- Check the installed Langflow version with `langflow --version` or the package manager, and compare against the affected range 1.0.0 through 1.12.4.\n- Confirm whether the instance is reachable from untrusted networks and who holds accounts on it.","fix":"- Move to a Langflow OSS release newer than `1.12.4`; the sources do not name the exact fixed version.","status":"open","published_at":"2026-10-29T16:17:50+00:00","first_seen_at":"2026-10-29T16:25:55+00:00","triaged_at":"2026-10-29T16:27:11+00:00","updated_at":"2026-10-29T16:27:11+00:00","category":"ai-tooling","confidence":0.6,"triage":{"at":"2026-10-29T16:27:11Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a Langflow OSS release newer than `1.12.4`; the sources do not name the exact fixed version.","reach":"network","title":"IBM Langflow: authenticated users can run arbitrary code via eval","impact":"high","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.4 fail to neutralize code passed to eval/exec. A logged-in attacker can make the server run code of their choosing.","audience":"businesses","category":"ai-tooling","nicknames":[],"who_cares":["langflow","self-hosted","python","ai-agents"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker runs arbitrary code on the Langflow server","analyst_note":"Find the IBM advisory and the first fixed Langflow OSS version; the NVD entry alone does not name one.","how_to_check":"- Check the installed Langflow version with `langflow --version` or the package manager, and compare against the affected range 1.0.0 through 1.12.4.\n- Confirm whether the instance is reachable from untrusted networks and who holds accounts on it.","plain_action":"","needs_analyst":true,"not_affected_if":["version-above-1.12.4","managed-hosting"],"who_is_affected":"Teams running self-hosted Langflow OSS in the affected range are exposed, most of all where accounts are shared or sign-up is open. Hosted or managed Langflow services are handled by their operator; the sources do not say which vendor builds are affected. Instances already on a newer release than 1.12.4 are not in the stated range.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000705,"input_tokens":4102,"output_tokens":590,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-107328':13A,16A '-2026':12A,15A '1.0.0':32B,59C '1.12.4':34B,61C 'agent':19B 'ai':18B,21B 'ai-ag':17B 'ai-tool':20B 'allow':63C 'arbitrari':7A,70C 'attack':46B,67C 'authent':3A,66C 'choos':55B 'code':8A,38B,52B,71C,77C 'could':62C 'cve':11A,14A 'due':72C 'eval':10A 'eval/exec':41B,79C 'execut':69C 'fail':35B 'host':27B 'ibm':1A,28B,56C 'improp':74C 'langflow':2A,23B,29B,57C 'log':44B 'logged-in':43B 'make':48B 'neutral':37B,75C 'oss':30B,58C 'pass':39B 'python':24B 'remot':65C 'run':6A,51B 'self':26B 'self-host':25B 'server':50B 'tool':22B 'user':4A 'version':31B 'via':9A","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted Langflow OSS in the affected range are exposed, most of all where accounts are shared or sign-up is open. Hosted or managed Langflow services are handled by their operator; the sources do not say which vendor builds are affected. Instances already on a newer release than 1.12.4 are not in the stated range.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:17:50+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-107328","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107328","severity":null,"published_at":"2026-10-29T16:17:50+00:00","modified_at":"2026-10-29T16:17:50+00:00","first_seen_at":"2026-10-29T16:25:55+00:00","fetched_at":"2026-10-29T16:25:55+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"}