CVE-2026-54203

UNKNOWN 0.0

TeamDavid: Memory Leak leaking sensitive information

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-200
Vendor	tobit laboratories ag
Product	teamdavid
Published	Aug 7, 2026

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Affected Versions

Tobit Laboratories AG / TeamDavid

0 ≤ Rollout 524

References

NVD ↗ CVE.org ↗ EPSS Data ↗

david.tobit.software: https://david.tobit.software/releasenotes labs.infoguard.ch: https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/

Credits

Dario Weiss of InfoGuard Labs