{"id":"CVE-2026-114486","kind":"vulnerability","aliases":["CVE-2026-114486"],"related":[],"title":"Devolutions Server: token generation lets users reach denied hosts","description":"Incorrect authorization in the Devolutions Gateway token generation in Devolutions Server 2026.3.10.0  and earlier allows an authenticated non-administrative attacker to bypass the Network Access Rules of a virtual gateway and reach denied hosts via wildcard additional destinations signed into the gateway token.","summary":"Devolutions Server 2026.3.10.0 and earlier has an authorization flaw in how Devolutions Gateway generates tokens. An authenticated non-administrative user can use wildcard additional destinations to bypass the gateway's Network Access Rules and reach hosts that should be denied.","severity":"medium","cvss":null,"epss":0.00141,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["devolutions-gateway","devolutions-server","package","self-hosted"],"not_affected_if":["default-config"],"how_to_check":"- Check the installed Devolutions Server version against `2026.3.10.0`\n- Review virtual gateway Network Access Rules for denied hosts that non-administrative users could still reach\n- Unknown whether other checks are needed; the sources do not say","fix":"- Upgrade Devolutions Server to a version later than `2026.3.10.0`; the sources do not name the exact fixed release\n- Unknown whether a configuration workaround exists; the sources do not say","status":"open","published_at":"2026-10-22T16:17:34+00:00","first_seen_at":"2026-10-23T21:57:31+00:00","triaged_at":"2026-10-25T05:00:26+00:00","updated_at":"2026-10-25T05:00:26+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T05:00:26Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Devolutions Server to a version later than `2026.3.10.0`; the sources do not name the exact fixed release\n- Unknown whether a configuration workaround exists; the sources do not say","reach":"network","title":"Devolutions Server: token generation lets users reach denied hosts","impact":"medium","summary":"Devolutions Server 2026.3.10.0 and earlier has an authorization flaw in how Devolutions Gateway generates tokens. An authenticated non-administrative user can use wildcard additional destinations to bypass the gateway's Network Access Rules and reach hosts that should be denied.","category":"package","nicknames":[],"who_cares":["devolutions-server","devolutions-gateway","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated users reach network hosts that gateway rules deny","analyst_note":"Confirm the fixed Devolutions Server version and any workaround from the vendor advisory; the NVD entry given here does not name them.","how_to_check":"- Check the installed Devolutions Server version against `2026.3.10.0`\n- Review virtual gateway Network Access Rules for denied hosts that non-administrative users could still reach\n- Unknown whether other checks are needed; the sources do not say","needs_analyst":true,"not_affected_if":["default-config"],"who_is_affected":"Teams running Devolutions Server 2026.3.10.0 or earlier with virtual gateways that enforce Network Access Rules. Exposure depends on authenticated non-administrative users being able to request tokens with wildcard additional destinations. Installations on a later version can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000638,"input_tokens":3363,"output_tokens":604,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-114486':12A,15A '-2026':11A,14A '2026.3.10.0':28B,78C 'access':58B,92C 'addit':50B,104C 'administr':45B,86C 'allow':81C 'attack':87C 'authent':42B,83C 'author':33B,68C 'bypass':53B,89C 'cve':10A,13A 'deni':8A,66B,100C 'destin':51B,105C 'devolut':1A,17B,20B,26B,37B,71C,76C 'devolutions-gateway':16B 'devolutions-serv':19B 'earlier':30B,80C 'flaw':34B 'gateway':18B,38B,55B,72C,97C,109C 'generat':4A,39B,74C 'host':9A,25B,62B,101C 'incorrect':67C 'let':5A 'network':57B,91C 'non':44B,85C 'non-administr':43B,84C 'packag':22B 'reach':7A,61B,99C 'rule':59B,93C 'self':24B 'self-host':23B 'server':2A,21B,27B,77C 'sign':106C 'token':3A,40B,73C,110C 'use':48B 'user':6A,46B 'via':102C 'virtual':96C 'wildcard':49B,103C","nicknames":[],"mitigations":[],"who_affected":"Teams running Devolutions Server 2026.3.10.0 or earlier with virtual gateways that enforce Network Access Rules. Exposure depends on authenticated non-administrative users being able to request tokens with wildcard additional destinations. Installations on a later version can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-22T16:17:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-114486","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114486","severity":null,"published_at":"2026-10-22T16:17:34+00:00","modified_at":"2026-10-22T16:54:17+00:00","first_seen_at":"2026-10-23T21:57:31+00:00","fetched_at":"2026-10-23T22:29:02+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114486","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114486","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:51+00:00","fetched_at":"2026-10-24T07:15:51+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"}