Information disclosure in Tobit Laboratories Ag Teamdavid
CVE-2026-54203
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 before Rollout 528. Starting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.
Vulnerability class: Information Disclosure
Published · last modified .
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Tobit Laboratories Ag Teamdavid — versions 0
Weakness classification (CWE)
References
- david.tobit.software/releasenotes (release-notes)
- labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/ (third-party-advisory)
- chayns.net/77892-10814/tapp/763210 (release-notes)