Memory Leak to an Unauthorized Actor vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows reading of sensitive information. When accessing the URL “/.well-known/mta-sts.”, the application responds
with memory. By repeatedly
requesting this endpoint, an attacker can access sensitive
information, including user passwords. Exploitation does not require
authentication. This issue affects TeamDavid through Rollout 524.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tobit Laboratories AG TeamDavid unaffected
Version Status Constraints
0 affected ≤ Rollout 524

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://david.tobit.software/releasenotes cve-icon
https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/ cve-icon
History

Fri, 07 Aug 2026 10:15:00 +0000

Type Values Removed Values Added
Description Memory Leak to an Unauthorized Actor vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows reading of sensitive information. When accessing the URL “/.well-known/mta-sts.”, the application responds with memory. By repeatedly requesting this endpoint, an attacker can access sensitive information, including user passwords. Exploitation does not require authentication. This issue affects TeamDavid through Rollout 524.
Title TeamDavid: Memory Leak leaking sensitive information
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-08-07T09:44:13.505Z

Reserved: 2026-06-12T09:32:44.531Z

Link: CVE-2026-54203

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T11:30:03Z

Weaknesses