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CVE-2026-54203 Tobit Laboratories AG CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-07T10:16:57.070Z and has not been modified since then. The CVE-2026-54203 vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows an attacker to access sensitive information, including user passwords, by repeatedly requesting the /.well-known/mta-sts endpoint. Exploitation does not require authentication. The issue affects TeamDavid through Rollout 524. Organizations using Tobit Laboratories AG TeamDavid's Webbox, especially those with sensitive information stored in the system, should prioritize patching this vulnerability to prevent unauthorized access. Further analysis is needed to determine the full scope of affected systems and potential mitigations.

Vendor
Tobit Laboratories AG
Product
TeamDavid
CVSS
CRITICAL 9.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-07
Original CVE updated
2026-09-07
Advisory published
2026-08-07
Advisory updated
2026-09-07

Who should care

Organizations using Tobit Laboratories AG TeamDavid's Webbox, especially those with sensitive information stored in the system, should prioritize patching this vulnerability to prevent unauthorized access.

Technical summary

The CVE-2026-54203 vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows an attacker to access sensitive information, including user passwords, by repeatedly requesting the /.well-known/mta-sts endpoint. Exploitation does not require authentication. The issue affects TeamDavid through Rollout 524. The vulnerability has a CVSS score of 9.2 and is classified as CRITICAL. To address this vulnerability, it is essential to apply vendor-provided patches or updates. Restricting access to the /.well-known/mta-sts endpoint and implementing additional monitoring can help prevent unauthorized information disclosure.

Defensive priority

Critical vulnerability in Tobit Laboratories AG TeamDavid's Webbox, allowing unauthorized access to sensitive information, including user passwords.

Recommended defensive actions

  • Inventory and verify Tobit Laboratories AG TeamDavid's Webbox installations to identify potential exposure.
  • Restrict access to the /.well-known/mta-sts endpoint to prevent unauthorized information disclosure.
  • Implement additional monitoring to detect potential exploitation attempts.
  • Apply vendor-provided patches or updates to address the vulnerability.
  • Review and update security configurations to ensure proper protection.

Evidence notes

The CVE-2026-54203 vulnerability in Tobit Laboratories AG TeamDavid's Webbox allows an attacker to access sensitive information, including user passwords, by repeatedly requesting the /.well-known/mta-sts endpoint. Exploitation does not require authentication. The issue affects TeamDavid through Rollout 524. Further analysis is needed to determine the full scope of affected systems and potential mitigations.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-54203 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-54203

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-54203 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-54203

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.