{"id":"CVE-2026-114402","kind":"vulnerability","aliases":["CVE-2026-114402"],"related":[],"title":"Trudesk: authenticated users can overwrite files outside upload folder","description":"Trudesk through 1.2.11 contains a path traversal and authorization bypass vulnerability in accountsController.uploadImage that allows authenticated users to overwrite other users' avatars via form-supplied _id and username fields. Attackers can supply a username like /../../../x to bypass the incomplete CVE-2022-1752 sanitization and write png, jpg, jpeg, or gif files outside public/uploads/users.","summary":"Trudesk through 1.2.11 lets a logged-in user supply a crafted username during avatar upload to bypass the earlier path sanitization fix. The attacker can write png, jpg, jpeg or gif files to arbitrary locations outside public/uploads/users and overwrite other users' avatars.","severity":"medium","cvss":5.3,"epss":0.00306,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["node.js","package","self-hosted","trudesk"],"not_affected_if":["auth-required","closed-accounts"],"how_to_check":"- Check the installed Trudesk version; versions through `1.2.11` are affected.\n- Review whether accountsController.uploadImage is reachable on your instance and whether untrusted users hold accounts.","fix":"- Upgrade Trudesk to a release newer than `1.2.11` once a fixed version is published; the sources do not name one.\n- Until patched, restrict account creation and limit who can upload avatars.","status":"open","published_at":"2026-10-21T13:18:31+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-25T04:20:53+00:00","updated_at":"2026-10-25T04:20:53+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T04:20:53Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Trudesk to a release newer than `1.2.11` once a fixed version is published; the sources do not name one.\n- Until patched, restrict account creation and limit who can upload avatars.","reach":"internet","title":"Trudesk: authenticated users can overwrite files outside upload folder","impact":"medium","summary":"Trudesk through 1.2.11 lets a logged-in user supply a crafted username during avatar upload to bypass the earlier path sanitization fix. The attacker can write png, jpg, jpeg or gif files to arbitrary locations outside public/uploads/users and overwrite other users' avatars.","category":"package","nicknames":[],"who_cares":["trudesk","self-hosted","node.js"],"confidence":0.7,"needs_auth":"yes","worst_case":"Attacker overwrites other users' avatars and writes image files to arbitrary paths","analyst_note":"","how_to_check":"- Check the installed Trudesk version; versions through `1.2.11` are affected.\n- Review whether accountsController.uploadImage is reachable on your instance and whether untrusted users hold accounts.","needs_analyst":false,"not_affected_if":["auth-required","closed-accounts"],"who_is_affected":"Instances running Trudesk through 1.2.11 where users can log in and upload avatars. Deployments that restrict accounts to trusted staff have a smaller exposure. The sources do not describe a configuration that prevents the issue for accounts already present.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000612,"input_tokens":3394,"output_tokens":545,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-114402':12A,15A '-1752':108C '-2022':107C '-2026':11A,14A '/../../../x':101C '1.2.11':24B,67C 'accountscontroller.uploadimage':77C 'allow':79C 'arbitrari':56B 'attack':46B,95C 'authent':2A,80C 'author':73C 'avatar':36B,64B,86C 'bypass':39B,74C,103C 'contain':68C 'craft':33B 'cve':10A,13A,106C 'earlier':41B 'field':94C 'file':6A,54B,117C 'fix':44B 'folder':9A 'form':89C 'form-suppli':88C 'gif':53B,116C 'host':20B 'id':91C 'incomplet':105C 'jpeg':51B,114C 'jpg':50B,113C 'let':25B 'like':100C 'locat':57B 'log':28B 'logged-in':27B 'node.js':16B 'outsid':7A,58B,118C 'overwrit':5A,61B,83C 'packag':17B 'path':42B,70C 'png':49B,112C 'public/uploads/users':59B,119C 'sanit':43B,109C 'self':19B 'self-host':18B 'suppli':31B,90C,97C 'travers':71C 'trudesk':1A,21B,22B,65C 'upload':8A,37B 'user':3A,30B,63B,81C,85C 'usernam':34B,93C,99C 'via':87C 'vulner':75C 'write':48B,111C","nicknames":[],"mitigations":[],"who_affected":"Instances running Trudesk through 1.2.11 where users can log in and upload avatars. Deployments that restrict accounts to trusted staff have a smaller exposure. The sources do not describe a configuration that prevents the issue for accounts already present.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T13:18:31+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-2026-114402","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114402","severity":null,"published_at":"2026-10-21T13:18:31+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-2026-114402","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114402","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"}