{"id":"CVE-2026-110196","kind":"vulnerability","aliases":["CVE-2026-110196"],"related":[],"title":"Langflow: low-privilege user can run code on the server","description":"IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote attacker with a low-privileged authenticated account to bypass the administrator-only restriction and execute arbitrary code on the server by configuring a built-in code-execution component with attacker-supplied inputs.","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.4 let a logged-in user with a low-privilege account bypass the administrator-only restriction on a built-in code-execution component. An attacker who can configure such a component with crafted inputs can execute arbitrary code on the server running Langflow.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-agents","ai-tooling","langflow","self-hosted"],"not_affected_if":["single-trusted-user","version-outside-range"],"how_to_check":"- Check the installed Langflow version with `langflow --version` or the version shown in the running instance.\n- Confirm whether the instance is reachable from users outside the trusted team, since accounts are needed to exploit it.","fix":"- Move to a Langflow version later than `1.12.4`; the exact fixed release is unknown from the sources.","status":"open","published_at":"2026-10-29T16:17:56+00:00","first_seen_at":"2026-10-29T16:25:56+00:00","triaged_at":"2026-10-29T16:29:12+00:00","updated_at":"2026-10-29T16:29:12+00:00","category":"ai-tooling","confidence":0.6,"triage":{"at":"2026-10-29T16:29:12Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a Langflow version later than `1.12.4`; the exact fixed release is unknown from the sources.","reach":"internet","title":"Langflow: low-privilege user can run code on the server","impact":"high","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.4 let a logged-in user with a low-privilege account bypass the administrator-only restriction on a built-in code-execution component. An attacker who can configure such a component with crafted inputs can execute arbitrary code on the server running Langflow.","audience":"businesses","category":"ai-tooling","nicknames":[],"who_cares":["langflow","self-hosted","ai-agents"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker runs arbitrary code on the Langflow server","analyst_note":"Confirm the fixed version and whether the code-execution component is enabled by default, using the NVD entry and IBM's advisory.","how_to_check":"- Check the installed Langflow version with `langflow --version` or the version shown in the running instance.\n- Confirm whether the instance is reachable from users outside the trusted team, since accounts are needed to exploit it.","plain_action":"","needs_analyst":true,"not_affected_if":["version-outside-range","single-trusted-user"],"who_is_affected":"Teams running IBM Langflow OSS between 1.0.0 and 1.12.4 where more than one user has an account. The flaw sits in the built-in code-execution component, so instances restricted to trusted users and not exposing that component are lower risk. unknown whether a specific deployment configuration is required beyond default.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000714,"input_tokens":4131,"output_tokens":602,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-110196':14A,17A '-2026':13A,16A '1.0.0':32B,85C '1.12.4':34B,87C 'account':46B,99C 'administr':50B,104C 'administrator-on':49B,103C 'agent':20B 'ai':19B,22B 'ai-ag':18B 'ai-tool':21B 'allow':89C 'arbitrari':75B,109C 'attack':63B,92C,126C 'attacker-suppli':125C 'authent':98C 'built':56B,118C 'built-in':55B,117C 'bypass':47B,101C 'code':8A,59B,76B,110C,121C 'code-execut':58B,120C 'compon':61B,69B,123C 'configur':66B,115C 'could':88C 'craft':71B 'cve':12A,15A 'execut':60B,74B,108C,122C 'host':27B 'ibm':28B,82C 'input':72B,128C 'langflow':1A,24B,29B,81B,83C 'let':35B 'log':38B 'logged-in':37B 'low':3A,44B,96C 'low-privileg':2A,43B,95C 'oss':30B,84C 'privileg':4A,45B,97C 'remot':91C 'restrict':52B,106C 'run':7A,80B 'self':26B 'self-host':25B 'server':11A,79B,113C 'suppli':127C 'tool':23B 'user':5A,40B 'version':31B","nicknames":[],"mitigations":[],"who_affected":"Teams running IBM Langflow OSS between 1.0.0 and 1.12.4 where more than one user has an account. The flaw sits in the built-in code-execution component, so instances restricted to trusted users and not exposing that component are lower risk. unknown whether a specific deployment configuration is required beyond default.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:17:56+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/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-2026-110196","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110196","severity":null,"published_at":"2026-10-29T16:17:56+00:00","modified_at":"2026-10-29T16:17:56+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"}