{"id":"CVE-2026-111904","kind":"vulnerability","aliases":["CVE-2026-111904"],"related":[],"title":"phpMyFAQ: open-questions API leaks hidden questions and usernames to anonymous users","description":"phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an information disclosure vulnerability that allows unauthenticated attackers to read hidden open questions due to an inverted api.onlyPublicQuestions check in OpenQuestionController. Attackers can send GET requests to the /api/v4.0/open-questions endpoint to retrieve non-public moderation or internal questions and their associated usernames.","summary":"phpMyFAQ 4.2.0-alpha before 4.2.0-beta has an inverted check in its open-questions controller, so the public API returns non-public moderation questions. An unauthenticated attacker can send GET requests to /api/v4.0/open-questions and read those questions along with the usernames attached to them.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","php","phpmyfaq","self-hosted"],"not_affected_if":["default-config"],"how_to_check":"- Check the installed version in the phpMyFAQ admin panel or the release files; affected versions are `4.2.0-alpha` up to but not including `4.2.0-beta`.\n- Request `/api/v4.0/open-questions` from outside the network without logging in and see whether non-public questions appear in the response.","fix":"- Upgrade phpMyFAQ to `4.2.0-beta` or later.\n- Until upgraded, restrict access to `/api/v4.0/open-questions` at the web server or proxy.","status":"open","published_at":"2026-10-17T19:16:32+00:00","first_seen_at":"2026-10-23T21:57:14+00:00","triaged_at":"2026-10-25T03:41:06+00:00","updated_at":"2026-10-25T03:41:06+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T03:41:06Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade phpMyFAQ to `4.2.0-beta` or later.\n- Until upgraded, restrict access to `/api/v4.0/open-questions` at the web server or proxy.","reach":"internet","title":"phpMyFAQ: open-questions API leaks hidden questions and usernames to anonymous users","impact":"low","summary":"phpMyFAQ 4.2.0-alpha before 4.2.0-beta has an inverted check in its open-questions controller, so the public API returns non-public moderation questions. An unauthenticated attacker can send GET requests to /api/v4.0/open-questions and read those questions along with the usernames attached to them.","category":"package","nicknames":[],"who_cares":["phpmyfaq","php","self-hosted"],"confidence":0.7,"needs_auth":"no","worst_case":"Anonymous users read hidden questions and associated usernames.","analyst_note":"","how_to_check":"- Check the installed version in the phpMyFAQ admin panel or the release files; affected versions are `4.2.0-alpha` up to but not including `4.2.0-beta`.\n- Request `/api/v4.0/open-questions` from outside the network without logging in and see whether non-public questions appear in the response.","needs_analyst":false,"not_affected_if":["default-config"],"who_is_affected":"Sites running phpMyFAQ 4.2.0-alpha before 4.2.0-beta that expose the API to the internet are exposed, because the open-questions endpoint answers anonymous requests. Installations on an older release line or with the API closed to outside users are not described as affected by the sources.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000634,"input_tokens":3373,"output_tokens":593,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-111904':16A,19A '-2026':15A,18A '/api/v4.0/open-questions':60B,105C '4.2.0':27B,30B,71C,74C 'allow':82C 'along':65B 'alpha':28B,72C 'anonym':12A 'api':5A,45B 'api.onlypublicquestions':94C 'associ':118C 'attach':69B 'attack':54B,84C,98C 'beta':31B,75C 'check':35B,95C 'contain':76C 'control':41B 'cve':14A,17A 'disclosur':79C 'due':90C 'endpoint':106C 'get':57B,101C 'hidden':7A,87C 'host':25B 'inform':78C 'intern':114C 'invert':34B,93C 'leak':6A 'moder':50B,112C 'non':48B,110C 'non-publ':47B,109C 'open':3A,39B,88C 'open-quest':2A,38B 'openquestioncontrol':97C 'packag':20B 'php':21B 'phpmyfaq':1A,22B,26B,70C 'public':44B,49B,111C 'question':4A,8A,40B,51B,64B,89C,115C 'read':62B,86C 'request':58B,102C 'retriev':108C 'return':46B 'self':24B 'self-host':23B 'send':56B,100C 'unauthent':53B,83C 'user':13A 'usernam':10A,68B,119C 'vulner':80C","nicknames":[],"mitigations":[],"who_affected":"Sites running phpMyFAQ 4.2.0-alpha before 4.2.0-beta that expose the API to the internet are exposed, because the open-questions endpoint answers anonymous requests. Installations on an older release line or with the API closed to outside users are not described as affected by the sources.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-17T19:16:32+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2026-111904","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111904","severity":null,"published_at":"2026-10-17T19:16:32+00:00","modified_at":"2026-10-18T12:17:10+00:00","first_seen_at":"2026-10-23T21:57:14+00:00","fetched_at":"2026-10-23T22:28:55+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"}