{"id":"CVE-2026-119598","kind":"vulnerability","aliases":["CVE-2026-119598"],"related":[],"title":"Miaomiaowu: authenticated users can read other users' proxy configurations","description":"Miaomiaowu before 0.9.3 contains an insecure direct object reference vulnerability in /api/user/proxy-provider-configs that allows authenticated users to read other users' configurations. Attackers can iterate the global auto-increment external_subscription_id parameter to disclose override scripts, filter rules, custom request headers and health-check URLs.","summary":"Miaomiaowu before 0.9.3 fails to check ownership on the /api/user/proxy-provider-configs endpoint. A logged-in user can iterate a sequential ID to read other users' override scripts, filter rules, custom headers and health-check URLs.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["miaomiaowu","other","self-hosted"],"not_affected_if":["single-user-instance"],"how_to_check":"- Check whether any Miaomiaowu instance you run is older than `0.9.3`\n- Confirm the endpoint `/api/user/proxy-provider-configs` is reachable by non-admin accounts","fix":"- Miaomiaowu: move to `0.9.3` or later","status":"open","published_at":"2026-10-30T14:16:47+00:00","first_seen_at":"2026-10-30T14:30:54+00:00","triaged_at":"2026-10-30T14:32:58+00:00","updated_at":"2026-10-30T14:32:58+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-30T14:32:58Z","model":"claude-haiku-5-5","output":{"fix":"- Miaomiaowu: move to `0.9.3` or later","reach":"network","title":"Miaomiaowu: authenticated users can read other users' proxy configurations","impact":"low","summary":"Miaomiaowu before 0.9.3 fails to check ownership on the /api/user/proxy-provider-configs endpoint. A logged-in user can iterate a sequential ID to read other users' override scripts, filter rules, custom headers and health-check URLs.","audience":"businesses","category":"other","nicknames":[],"who_cares":["miaomiaowu","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"other users' configs, headers and health-check URLs readable","analyst_note":"","how_to_check":"- Check whether any Miaomiaowu instance you run is older than `0.9.3`\n- Confirm the endpoint `/api/user/proxy-provider-configs` is reachable by non-admin accounts","plain_action":"","needs_analyst":false,"not_affected_if":["single-user-instance"],"who_is_affected":"Teams that self-host Miaomiaowu with multiple user accounts are exposed, because any logged-in user can read other users' configurations by changing an ID. A single-user instance has no other users' data to expose. unknown whether managed hosting is in scope.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000664,"input_tokens":4138,"output_tokens":500,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119598':12A,15A '-2026':11A,14A '/api/user/proxy-provider-configs':30B,68C '0.9.3':23B,59C 'allow':70C 'attack':78C 'authent':2A,71C 'auto':84C 'auto-incr':83C 'check':26B,55B,102C 'configur':9A,77C 'contain':60C 'custom':50B,96C 'cve':10A,13A 'direct':63C 'disclos':91C 'endpoint':31B 'extern':86C 'fail':24B 'filter':48B,94C 'global':82C 'header':51B,98C 'health':54B,101C 'health-check':53B,100C 'host':20B 'id':41B,88C 'increment':85C 'insecur':62C 'iter':38B,80C 'log':34B 'logged-in':33B 'miaomiaowu':1A,16B,21B,57C 'object':64C 'overrid':46B,92C 'ownership':27B 'paramet':89C 'proxi':8A 'read':5A,43B,74C 'refer':65C 'request':97C 'rule':49B,95C 'script':47B,93C 'self':19B 'self-host':18B 'sequenti':40B 'subscript':87C 'url':56B,103C 'user':3A,7A,36B,45B,72C,76C 'vulner':66C","nicknames":[],"mitigations":[],"who_affected":"Teams that self-host Miaomiaowu with multiple user accounts are exposed, because any logged-in user can read other users' configurations by changing an ID. A single-user instance has no other users' data to expose. unknown whether managed hosting is in scope.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"first_public_at":"2026-10-30T14:16:47+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/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-2026-119598","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119598","severity":null,"published_at":"2026-10-30T14:16:47+00:00","modified_at":"2026-10-30T14:16:47+00:00","first_seen_at":"2026-10-30T14:30:54+00:00","fetched_at":"2026-10-30T14:30:54+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"}