{"id":"CVE-2026-104314","kind":"vulnerability","aliases":["CVE-2026-104314"],"related":[],"title":"Langflow: flow readers can retrieve owner's stored third-party credentials","description":"IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker with a read or share grant on a target flow to retrieve the flow owner's stored third-party credentials in cleartext from the API response.","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.3 return a flow owner's stored third-party credentials in cleartext in an API response. An authenticated user with only a read or share grant on that flow can retrieve those secrets.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-agents","ai-tooling","langflow","self-hosted"],"not_affected_if":["no-shared-flows","no-stored-credentials","version-above-1.12.3"],"how_to_check":"- Check the installed Langflow version with `langflow --version` or the package manager, and see whether it falls in 1.0.0 through 1.12.3.\n- Review which users have read or share grants on flows that store third-party API keys.","fix":"- Move Langflow OSS to a version later than 1.12.3; the exact fixed version is unknown from the sources.","status":"open","published_at":"2026-10-29T16:17:43+00:00","first_seen_at":"2026-10-29T16:25:54+00:00","triaged_at":"2026-10-29T16:31:29+00:00","updated_at":"2026-10-29T16:31:29+00:00","category":"ai-tooling","confidence":0.7,"triage":{"at":"2026-10-29T16:31:29Z","model":"claude-haiku-5-5","output":{"fix":"- Move Langflow OSS to a version later than 1.12.3; the exact fixed version is unknown from the sources.","reach":"network","title":"Langflow: flow readers can retrieve owner's stored third-party credentials","impact":"high","summary":"IBM Langflow OSS versions 1.0.0 through 1.12.3 return a flow owner's stored third-party credentials in cleartext in an API response. An authenticated user with only a read or share grant on that flow can retrieve those secrets.","audience":"businesses","category":"ai-tooling","nicknames":[],"who_cares":["langflow","self-hosted","ai-agents"],"confidence":0.7,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker reads flow owners' third-party API credentials in cleartext","analyst_note":"Confirm the fixed Langflow OSS version and whether the default configuration stores credentials in flows; check the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-104314 and IBM's advisory.","how_to_check":"- Check the installed Langflow version with `langflow --version` or the package manager, and see whether it falls in 1.0.0 through 1.12.3.\n- Review which users have read or share grants on flows that store third-party API keys.","plain_action":"","needs_analyst":true,"not_affected_if":["no-shared-flows","no-stored-credentials","version-above-1.12.3"],"who_is_affected":"Teams running self-hosted Langflow OSS from 1.0.0 through 1.12.3 where flows store third-party credentials and are shared with other users. Exposure requires an account with read or share access to a flow owned by someone else. Installations without shared flows or without stored third-party credentials have less exposure.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000734,"input_tokens":4112,"output_tokens":646,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-104314':15A,18A '-2026':14A,17A '1.0.0':33B,72C '1.12.3':35B,74C 'agent':21B 'ai':20B,23B 'ai-ag':19B 'ai-tool':22B 'allow':76C 'api':50B,105C 'attack':79C 'authent':53B,78C 'cleartext':47B,102C 'could':75C 'credenti':12A,45B,100C 'cve':13A,16A 'flow':2A,38B,64B,89C,93C 'grant':61B,85C 'host':28B 'ibm':29B,69C 'langflow':1A,25B,30B,70C 'oss':31B,71C 'owner':6A,39B,94C 'parti':11A,44B,99C 'read':58B,82C 'reader':3A 'respons':51B,106C 'retriev':5A,66B,91C 'return':36B 'secret':68B 'self':27B 'self-host':26B 'share':60B,84C 'store':8A,41B,96C 'target':88C 'third':10A,43B,98C 'third-parti':9A,42B,97C 'tool':24B 'user':54B 'version':32B","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted Langflow OSS from 1.0.0 through 1.12.3 where flows store third-party credentials and are shared with other users. Exposure requires an account with read or share access to a flow owned by someone else. Installations without shared flows or without stored third-party credentials have less exposure.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:17:43+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-104314","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104314","severity":null,"published_at":"2026-10-29T16:17:43+00:00","modified_at":"2026-10-29T16:17:43+00:00","first_seen_at":"2026-10-29T16:25:54+00:00","fetched_at":"2026-10-29T16:25:54+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"}