{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54203", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-06-12T09:32:44.531Z", "datePublished": "2026-08-07T09:44:13.505Z", "dateUpdated": "2026-08-07T09:44:13.505Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-08-07T09:44:13.505Z"}, "title": "TeamDavid: Memory Leak leaking sensitive information", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-131", "descriptions": [{"lang": "en", "value": "CAPEC-131 Resource Leak Exposure"}]}], "affected": [{"vendor": "Tobit Laboratories AG", "product": "TeamDavid", "modules": ["Webbox"], "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "Rollout 524", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Memory Leak to an Unauthorized Actor vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows reading of sensitive information. When accessing the URL \u201c/.well-known/mta-sts.\u201d, the application responds\n with memory. By repeatedly \nrequesting this endpoint, an attacker can access sensitive \ninformation,\u00a0including user passwords. Exploitation does not require \nauthentication.\u00a0This issue affects TeamDavid through Rollout 524.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Memory Leak to an Unauthorized Actor vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows reading of sensitive information. When accessing the URL \u201c/.well-known/mta-sts.\u201d, the application responds\n with memory. By repeatedly \nrequesting this endpoint, an attacker can access sensitive \ninformation, including user passwords. Exploitation does not require \nauthentication. This issue affects TeamDavid through Rollout 524."}]}], "references": [{"url": "https://david.tobit.software/releasenotes", "tags": ["release-notes"]}, {"url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Dario Weiss of InfoGuard Labs", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,Rollout 524]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "TeamDavid", "source": "cna", "vendor": "Tobit Laboratories AG"}, "product": "teamdavid", "vendor": "tobit_laboratories_ag"}], "created": "2026-08-07T11:30:03.846758+00:00", "updated": "2026-08-08T20:41:18.477461+00:00", "vendors": ["tobit_laboratories_ag", "tobit_laboratories_ag$PRODUCT$teamdavid"]}