{"id":"CVE-2026-118675","kind":"vulnerability","aliases":["CVE-2026-118675"],"related":[],"title":"n8n: workflow editors can read restricted credentials via sub-workflow loading","description":"n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows from URLs or local files. Attackers can configure the Execute Sub-workflow node with source url or localFile to serve content that resolves project credentials and returns their decrypted values.","summary":"n8n before 1.123.85, 2.43.5 and 2.44.1 lets editors of shared workflows use credentials they should not reach by loading sub-workflows from a URL or local file. An attacker who can edit a workflow can make the Execute Sub-workflow node return decrypted values of project credentials.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-tooling","n8n","self-hosted","workflow-automation"],"not_affected_if":["single-user","versions-patched"],"how_to_check":"- Run `n8n --version` and compare against `1.123.85`, `2.43.5` and `2.44.1`\n- Review workflows containing Execute Sub-workflow nodes that use source `url` or `localFile`\n- Check which users hold editor role on shared projects that contain credentials","fix":"- Upgrade n8n to `1.123.85`, `2.43.5` or `2.44.1` depending on release line\n- Rotate credentials stored in projects where untrusted editors had access","status":"open","published_at":"2026-10-28T19:17:33+00:00","first_seen_at":"2026-10-28T19:34:55+00:00","triaged_at":"2026-10-28T19:36:05+00:00","updated_at":"2026-10-28T19:36:05+00:00","category":"ai-tooling","confidence":0.8,"triage":{"at":"2026-10-28T19:36:05Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade n8n to `1.123.85`, `2.43.5` or `2.44.1` depending on release line\n- Rotate credentials stored in projects where untrusted editors had access","reach":"network","title":"n8n: workflow editors can read restricted credentials via sub-workflow loading","impact":"high","summary":"n8n before 1.123.85, 2.43.5 and 2.44.1 lets editors of shared workflows use credentials they should not reach by loading sub-workflows from a URL or local file. An attacker who can edit a workflow can make the Execute Sub-workflow node return decrypted values of project credentials.","category":"ai-tooling","nicknames":[],"who_cares":["n8n","self-hosted","workflow-automation"],"confidence":0.8,"needs_auth":"yes","worst_case":"Editors read decrypted project credentials, exposing third-party API keys and secrets","analyst_note":"Check the n8n security advisory for the exact affected version ranges and whether localFile sources are blocked by default.","how_to_check":"- Run `n8n --version` and compare against `1.123.85`, `2.43.5` and `2.44.1`\n- Review workflows containing Execute Sub-workflow nodes that use source `url` or `localFile`\n- Check which users hold editor role on shared projects that contain credentials","needs_analyst":true,"not_affected_if":["single-user","versions-patched"],"who_is_affected":"Self-hosted or cloud n8n deployments where several people edit shared workflows that hold credentials for external services. Single-user instances, or teams where every editor is fully trusted, carry much less risk.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000632,"input_tokens":3352,"output_tokens":594,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-118675':15A,18A '-2026':14A,17A '1.123.85':31B,80C '2.43.5':32B,81C '2.44.1':34B,83C 'ai':20B 'ai-tool':19B 'allow':91C 'attack':58B,110C 'autom':28B 'bypass':88C 'configur':112C 'contain':84C 'content':126C 'credenti':7A,41B,77B,86C,99C,130C 'cve':13A,16A 'decrypt':73B,134C 'edit':61B 'editor':3A,36B,92C 'execut':67B,114C 'file':56B,109C 'guard':87C 'host':25B 'let':35B 'load':12A,47B,101C 'local':55B,108C 'localfil':123C 'make':65B 'n8n':1A,22B,29B,78C 'node':71B,118C 'project':76B,129C 'reach':45B 'read':5A 'resolv':128C 'restrict':6A,98C 'return':72B,132C 'self':24B 'self-host':23B 'serv':125C 'share':38B,94C 'sourc':120C 'sub':10A,49B,69B,103C,116C 'sub-workflow':9A,48B,68B,102C,115C 'tool':21B 'url':53B,106C,121C 'use':40B,97C 'valu':74B,135C 'via':8A 'vulner':89C 'workflow':2A,11A,27B,39B,50B,63B,70B,95C,104C,117C 'workflow-autom':26B","nicknames":[],"mitigations":[],"who_affected":"Self-hosted or cloud n8n deployments where several people edit shared workflows that hold credentials for external services. Single-user instances, or teams where every editor is fully trusted, carry much less risk.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-28T19:17:33+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118675","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118675","severity":null,"published_at":"2026-10-28T19:17:33+00:00","modified_at":"2026-10-28T19:17:33+00:00","first_seen_at":"2026-10-28T19:34:55+00:00","fetched_at":"2026-10-28T19:34:55+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"}