{"id":"CVE-2026-77817","kind":"vulnerability","aliases":["CVE-2026-77817"],"related":[],"title":"Langflow: flow and project exports leak secrets to authenticated users","description":"IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to improper sanitization of secrets during flow and project exports.","summary":"IBM Langflow OSS 1.0.0 through 1.12.4 does not properly sanitize secrets when flows and projects are exported. A remote attacker with a valid account can obtain sensitive information such as credentials stored in exported files.","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":["managed-hosting","versions-outside-range"],"how_to_check":"- Check the installed Langflow version: `langflow --version` or the version pinned in your dependency file, and see whether it falls in `1.0.0` through `1.12.4`.","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":"2026-10-29T16:18:52+00:00","first_seen_at":"2026-10-29T16:26:01+00:00","triaged_at":"2026-10-29T16:31:17+00:00","updated_at":"2026-10-29T16:31:17+00:00","category":"ai-tooling","confidence":0.6,"triage":{"at":"2026-10-29T16:31:17Z","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":"Langflow: flow and project exports leak secrets to authenticated users","impact":"medium","summary":"IBM Langflow OSS 1.0.0 through 1.12.4 does not properly sanitize secrets when flows and projects are exported. A remote attacker with a valid account can obtain sensitive information such as credentials stored in exported files.","audience":"businesses","category":"ai-tooling","nicknames":[],"who_cares":["langflow","self-hosted","ai-agents"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Secrets embedded in exported flows are readable by the attacker","analyst_note":"Confirm the fixed version and which secret types leak; check the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-77817 for details.","how_to_check":"- Check the installed Langflow version: `langflow --version` or the version pinned in your dependency file, and see whether it falls in `1.0.0` through `1.12.4`.\n- Unknown whether other checks apply; the sources do not say.","plain_action":"","needs_analyst":true,"not_affected_if":["managed-hosting","versions-outside-range"],"who_is_affected":"Teams running self-hosted IBM Langflow OSS in the affected range where users with logins can export flows or projects. Exposure depends on whether authenticated users can reach the export feature; the sources do not say more.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.0007,"input_tokens":4103,"output_tokens":579,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-77817':13A,16A '1.0.0':30B,65C '1.12.4':32B,67C 'account':50B 'agent':19B 'ai':18B,21B 'ai-ag':17B 'ai-tool':20B 'allow':69C 'attack':46B,73C 'authent':9A,72C 'could':68C 'credenti':57B 'cve':11A,14A 'due':78C 'export':5A,43B,60B,88C 'file':61B 'flow':2A,39B,85C 'host':26B 'ibm':27B,62C 'improp':80C 'inform':54B,77C 'langflow':1A,23B,28B,63C 'leak':6A 'obtain':52B,75C 'oss':29B,64C 'project':4A,41B,87C 'proper':35B 'remot':45B,71C 'sanit':36B,81C 'secret':7A,37B,83C 'self':25B 'self-host':24B 'sensit':53B,76C 'store':58B 'tool':22B 'user':10A 'valid':49B","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted IBM Langflow OSS in the affected range where users with logins can export flows or projects. Exposure depends on whether authenticated users can reach the export feature; the sources do not say more.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:18:52+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-2026-77817","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77817","severity":null,"published_at":"2026-10-29T16:18:52+00:00","modified_at":"2026-10-29T16:18:52+00:00","first_seen_at":"2026-10-29T16:26:01+00:00","fetched_at":"2026-10-29T16:26:01+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"}