{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30784", "assignerOrgId": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "state": "PUBLISHED", "assignerShortName": "VULSec", "dateReserved": "2026-03-05T14:13:35.407Z", "datePublished": "2026-03-05T15:58:46.790Z", "dateUpdated": "2026-03-05T15:58:46.790Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com/rustdesk/", "defaultStatus": "affected", "modules": ["Rendezvous server (hbbs)", "relay server (hbbr)"], "packageName": "rustdesk-server, rustdesk-server-pro", "platforms": ["hbbs/hbbr on all server platforms"], "product": "RustDesk Server", "programFiles": ["src/rendezvous_server.rs", "src/relay_server.rs"], "programRoutines": [{"name": "handle_punch_hole_request()"}, {"name": "RegisterPeer handler"}, {"name": "relay forwarding"}], "repo": "https://github.com/rustdesk/rustdesk-server", "vendor": "rustdesk-server", "versions": [{"changes": [{"at": "Server Pro", "status": "affected"}], "lessThanOrEqual": "1.7.5", "status": "affected", "version": "0", "versionType": "custom"}, {"changes": [{"at": "Server OSS", "status": "affected"}], "lessThanOrEqual": "1.1.15", "status": "affected", "version": "0", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Default \u2014 any hbbs/hbbr deployment (OSS or Pro)"}], "value": "Default \u2014 any hbbs/hbbr deployment (OSS or Pro)"}], "credits": [{"lang": "en", "type": "finder", "value": "Erez Kalman"}, {"lang": "en", "type": "reporter", "value": "Erez Kalman"}], "datePublic": "2026-03-05T13:45:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Missing Authorization, Missing Authentication for Critical Function vulnerability in rustdesk-server RustDesk Server rustdesk-server, rustdesk-server-pro on hbbs/hbbr on all server platforms (Rendezvous server (hbbs), relay server (hbbr) modules) allows Privilege Abuse.<p> This vulnerability is associated with program files <tt>src/rendezvous_server.Rs</tt>, <tt>src/relay_server.Rs</tt> and program routines <tt>handle_punch_hole_request()</tt>, <tt>RegisterPeer handler</tt>, <tt>relay forwarding</tt>.</p><p>This issue affects RustDesk Server: through 1.7.5, through 1.1.15.</p>"}], "value": "Missing Authorization, Missing Authentication for Critical Function vulnerability in rustdesk-server RustDesk Server rustdesk-server, rustdesk-server-pro on hbbs/hbbr on all server platforms (Rendezvous server (hbbs), relay server (hbbr) modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_server.Rs, src/relay_server.Rs and program routines handle_punch_hole_request(), RegisterPeer handler, relay forwarding.\n\nThis issue affects RustDesk Server: through 1.7.5, through 1.1.15."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "PoC available.<br>"}], "value": "PoC available."}], "impacts": [{"capecId": "CAPEC-122", "descriptions": [{"lang": "en", "value": "CAPEC-122 Privilege Abuse"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.8, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "shortName": "VULSec", "dateUpdated": "2026-03-05T15:58:46.790Z"}, "references": [{"tags": ["technical-description", "product"], "url": "https://rustdesk.com/docs/en/self-host/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Implement Signed Session Authorization Tokens validated by hbbs and hbbr"}], "value": "Implement Signed Session Authorization Tokens validated by hbbs and hbbr"}], "source": {"discovery": "UNKNOWN"}, "title": "RustDesk hbbs/hbbr Servers Broker Connections Without Any Authorization Check", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Restrict network access to hbbs/hbbr ports (21116, 21117) via firewall. Use strong passwords."}], "value": "Restrict network access to hbbs/hbbr ports (21116, 21117) via firewall. Use strong passwords."}], "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization, Missing Authentication for Critical Function vulnerability in rustdesk-server RustDesk Server rustdesk-server, rustdesk-server-pro on hbbs/hbbr on all server platforms (Rendezvous server (hbbs), relay server (hbbr) modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_server.Rs, src/relay_server.Rs and program routines handle_punch_hole_request(), RegisterPeer handler, relay forwarding.\n\nThis issue affects RustDesk Server: through 1.7.5, through 1.1.15."}], "id": "CVE-2026-30784", "lastModified": "2026-03-05T16:16:19.110", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "type": "Secondary"}]}, "published": "2026-03-05T16:16:19.110", "references": [{"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "url": "https://rustdesk.com/docs/en/self-host/"}], "sourceIdentifier": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-862"}], "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "type": "Secondary"}]}

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