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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…

Info
CVECVE-2026-54203
First seen2026-08-07 11:15 UTC
Disclosed2026-08-07 10:16 UTC
Last updated2026-08-07 11:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (2)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://david.tobit.software/releasenotes
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD