{"id":"CVE-2026-121535","kind":"vulnerability","aliases":["CVE-2026-121535"],"related":[],"title":"MiroTalk P2P: room password check lacks limits on login attempts","description":"A vulnerability was found in miroslavpejic85 MiroTalk P2P up to 2.0.87. This vulnerability affects the function checkPassword of the file app/src/server.js of the component Room Action Handler. The manipulation results in improper restriction of excessive authentication attempts. It is possible to launch the attack remotely. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. The exploit has been made public and could be used. Upgrading to version 2.1.38 is able to resolve this issue. The patch is identified as 55bec1d05f931d2e43633d6d0b7274f79ec719dd. Upgrading the affected component is advised.","summary":"MiroTalk P2P up to 2.0.87 does not restrict the number of password attempts in its room password check. A remote attacker could try many passwords against a protected room, though the sources describe the attack as highly complex and difficult to exploit.","severity":"low","cvss":3.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mirotalk-p2p","package","self-hosted","video-calls"],"not_affected_if":["no-room-passwords","version-2.1.38-or-later"],"how_to_check":"- Check the installed MiroTalk P2P version: upgrading is needed if it is `2.0.87` or earlier.\n- Look at `app/src/server.js` in the deployment for the `checkPassword` function and whether rooms use passwords.","fix":"- MiroTalk P2P: upgrade to `2.1.38`","status":"open","published_at":"2026-11-03T23:17:34+00:00","first_seen_at":"2026-11-03T23:45:14+00:00","triaged_at":"2026-11-03T23:45:58+00:00","updated_at":"2026-11-03T23:45:58+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-03T23:45:58Z","model":"claude-haiku-5-5","output":{"fix":"- MiroTalk P2P: upgrade to `2.1.38`","reach":"internet","title":"MiroTalk P2P: room password check lacks limits on login attempts","impact":"low","summary":"MiroTalk P2P up to 2.0.87 does not restrict the number of password attempts in its room password check. A remote attacker could try many passwords against a protected room, though the sources describe the attack as highly complex and difficult to exploit.","audience":"businesses","category":"package","nicknames":[],"who_cares":["mirotalk-p2p","self-hosted","video-calls"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker guesses room passwords through unlimited remote attempts","analyst_note":"","how_to_check":"- Check the installed MiroTalk P2P version: upgrading is needed if it is `2.0.87` or earlier.\n- Look at `app/src/server.js` in the deployment for the `checkPassword` function and whether rooms use passwords.","plain_action":"","needs_analyst":false,"not_affected_if":["version-2.1.38-or-later","no-room-passwords"],"who_is_affected":"Teams that self-host MiroTalk P2P 2.0.87 or earlier and use room passwords are exposed. Deployments that do not use room passwords, or that run a later version, can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000681,"input_tokens":4274,"output_tokens":507,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-121535':13A,16A '-2026':12A,15A '2.0.87':31B,79C '2.1.38':142C '55bec1d05f931d2e43633d6d0b7274f79ec719dd':154C 'abl':144C 'action':94C 'advis':160C 'affect':82C,157C 'app/src/server.js':89C 'attack':47B,61B,112C,114C 'attempt':10A,39B,105C 'authent':104C 'call':26B 'check':5A,44B 'checkpassword':85C 'complex':64B,120C 'compon':92C,158C 'could':48B,136C 'cve':11A,14A 'describ':59B 'difficult':66B,128C 'excess':103C 'exploit':68B,126C,130C 'file':88C 'found':72C 'function':84C 'handler':95C 'high':63B,119C 'host':23B 'identifi':152C 'improp':100C 'issu':148C 'lack':6A 'launch':110C 'limit':7A 'login':9A 'made':133C 'mani':50B 'manipul':97C 'miroslavpejic85':74C 'mirotalk':1A,18B,27B,75C 'mirotalk-p2p':17B 'natur':117C 'number':36B 'p2p':2A,19B,28B,76C 'packag':20B 'password':4A,38B,43B,51B 'patch':150C 'possibl':108C 'protect':54B 'public':134C 'remot':46B,113C 'resolv':146C 'restrict':34B,101C 'result':98C 'room':3A,42B,55B,93C 'self':22B 'self-host':21B 'sourc':58B 'state':123C 'though':56B 'tri':49B 'upgrad':139C,155C 'use':138C 'version':141C 'video':25B 'video-cal':24B 'vulner':70C,81C","nicknames":[],"mitigations":[],"who_affected":"Teams that self-host MiroTalk P2P 2.0.87 or earlier and use room passwords are exposed. Deployments that do not use room passwords, or that run a later version, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["low","mirotalkp2p","package","selfhosted","videocalls"],"campaign_type":null,"first_public_at":"2026-11-03T23:17:34+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121535","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121535","severity":null,"published_at":"2026-11-03T23:17:34+00:00","modified_at":"2026-11-03T23:17:34+00:00","first_seen_at":"2026-11-03T23:45:14+00:00","fetched_at":"2026-11-03T23:45:14+00:00","note":null}],"documents":[{"id":61621,"url":"https://github.com/miroslavpejic85/mirotalk/commit/55bec1d05f931d2e43633d6d0b7274f79ec719dd","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":61622,"url":"https://github.com/miroslavpejic85/mirotalk/security/advisories/GHSA-x2r2-j5hf-hp36","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}