CVE-2026-54203 PUBLISHED

TeamDavid: Memory Leak leaking sensitive information

Assigner: NCSC.ch
Reserved: 12.06.2026 Published: 07.08.2026 Updated: 07.08.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Tobit Laboratories AG
Product	TeamDavid
Versions	Default: unaffected affected from 0 to Rollout 524 (incl.)

Credits

Dario Weiss of InfoGuard Labs finder

References

Problem Types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE

Impacts

CAPEC-131 Resource Leak Exposure