{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78417", "assignerOrgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23", "state": "PUBLISHED", "assignerShortName": "DEVOLUTIONS", "dateReserved": "2026-08-24T15:10:53.447Z", "datePublished": "2026-08-24T18:26:25.739Z", "dateUpdated": "2026-08-24T18:26:25.739Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23", "shortName": "DEVOLUTIONS", "dateUpdated": "2026-08-24T18:26:25.739Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-345", "description": "CWE-345 Insufficient Verification of Data Authenticity", "type": "CWE"}]}], "affected": [{"vendor": "Devolutions", "product": "Remote Desktop Manager", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.2.18", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Devolutions", "product": "Remote Desktop Manager", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.1.25", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication."}]}], "references": [{"url": "https://devolutions.net/security/advisories/DEVO-2026-0029/"}], "source": {"advisory": "https://devolutions.net/security/advisories/DEVO-2026-0029/", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Remote Desktop Manager", "vendor": "Devolutions", "versions": [{"lessThan": "2026.2.18", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "Remote Desktop Manager", "vendor": "Devolutions", "versions": [{"lessThan": "2026.1.25", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "security@devolutions.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication."}], "id": "CVE-2026-78417", "lastModified": "2026-08-24T19:17:04.420", "metrics": {}, "published": "2026-08-24T19:17:04.420", "references": [{"source": "security@devolutions.net", "url": "https://devolutions.net/security/advisories/DEVO-2026-0029/"}], "sourceIdentifier": "security@devolutions.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "security@devolutions.net", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2.18)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Remote Desktop Manager", "source": "cna", "vendor": "Devolutions"}, "product": "remote_desktop_manager", "vendor": "devolutions"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.1.25)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Remote Desktop Manager", "source": "cna", "vendor": "Devolutions"}, "product": "remote_desktop_manager", "vendor": "devolutions"}], "created": "2026-08-24T20:00:04.195013+00:00", "title": "On-Path Attacker Can Tamper with VNC Sessions via Unverified RSA Key Acceptance", "updated": "2026-08-24T20:30:07.698401+00:00", "vendors": ["devolutions", "devolutions$PRODUCT$remote_desktop_manager"]}