{"id":"CVE-2026-114395","kind":"vulnerability","aliases":["CVE-2026-114395"],"related":[],"title":"Trudesk: authenticated users can post messages as other users","description":"Trudesk through 1.2.11 contains an authorization bypass vulnerability in apiMessages.send that allows authenticated users to post messages as other users due to an incomplete CVE-2022-1931 fix. Attackers can supply arbitrary owner and cId values to POST /api/v1/messages/send to inject spoofed messages into conversations they do not belong to.","summary":"Trudesk through 1.2.11 has an incomplete fix for CVE-2022-1931 in its message send API. An authenticated user can set arbitrary owner and cId values on POST /api/v1/messages/send and inject spoofed messages into conversations they are not part of.","severity":"medium","cvss":5.3,"epss":0.00313,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["node.js","package","self-hosted","trudesk"],"not_affected_if":["default-config"],"how_to_check":"- Check the installed Trudesk version in package.json (`grep '\"version\"' package.json`) and see whether it is `1.2.11` or earlier.\n- Review the web server or proxy logs for POST requests to `/api/v1/messages/send` that carry owner or cId values not matching the logged-in user.","fix":"- Upgrade Trudesk to a release later than `1.2.11`; unknown whether a fixed version is published.\n- Until patched, restrict access to the Trudesk API or limit who holds an account.","status":"open","published_at":"2026-10-21T13:18:30+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-25T04:20:55+00:00","updated_at":"2026-10-25T04:20:55+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T04:20:55Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Trudesk to a release later than `1.2.11`; unknown whether a fixed version is published.\n- Until patched, restrict access to the Trudesk API or limit who holds an account.","reach":"internet","title":"Trudesk: authenticated users can post messages as other users","impact":"medium","summary":"Trudesk through 1.2.11 has an incomplete fix for CVE-2022-1931 in its message send API. An authenticated user can set arbitrary owner and cId values on POST /api/v1/messages/send and inject spoofed messages into conversations they are not part of.","category":"package","nicknames":[],"who_cares":["trudesk","self-hosted","node.js"],"confidence":0.7,"needs_auth":"yes","worst_case":"Attacker posts spoofed messages as other users in conversations.","analyst_note":"","how_to_check":"- Check the installed Trudesk version in package.json (`grep '\"version\"' package.json`) and see whether it is `1.2.11` or earlier.\n- Review the web server or proxy logs for POST requests to `/api/v1/messages/send` that carry owner or cId values not matching the logged-in user.","needs_analyst":false,"not_affected_if":["default-config"],"who_is_affected":"Teams that self-host Trudesk 1.2.11 or earlier with user accounts that are not all trusted. Exposure depends on any authenticated user being able to reach the messages API. Instances on a later version or with no untrusted accounts can skip it.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000614,"input_tokens":3384,"output_tokens":551,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-114395':12A,15A '-1931':32B,87C '-2022':31B,86C '-2026':11A,14A '/api/v1/messages/send':50B,99C '1.2.11':24B,63C 'allow':72C 'api':37B 'apimessages.send':70C 'arbitrari':43B,92C 'attack':89C 'authent':2A,39B,73C 'author':66C 'belong':109C 'bypass':67C 'cid':46B,95C 'contain':64C 'convers':56B,105C 'cve':10A,13A,30B,85C 'due':81C 'fix':28B,88C 'host':20B 'incomplet':27B,84C 'inject':52B,101C 'messag':6A,35B,54B,77C,103C 'node.js':16B 'owner':44B,93C 'packag':17B 'part':60B 'post':5A,49B,76C,98C 'self':19B 'self-host':18B 'send':36B 'set':42B 'spoof':53B,102C 'suppli':91C 'trudesk':1A,21B,22B,61C 'user':3A,9A,40B,74C,80C 'valu':47B,96C 'vulner':68C","nicknames":[],"mitigations":[],"who_affected":"Teams that self-host Trudesk 1.2.11 or earlier with user accounts that are not all trusted. Exposure depends on any authenticated user being able to reach the messages API. Instances on a later version or with no untrusted accounts can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T13:18:30+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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-2026-114395","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114395","severity":null,"published_at":"2026-10-21T13:18:30+00:00","modified_at":"2026-10-22T15:44:59+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114395","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114395","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+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"}