CVE-2026-54214

Summary

Tobit Laboratories AG TeamDavid's Webbox application is vulnerable to HTTP header injection through the “cType” URL parameter, which allows arbitrary modification of the Content-Type header in HTTP responses. Because the parameter does not properly restrict control characters such as URL-encoded newlines (“%0a”) or colons, attackers can inject additional headers including extra Location headers into the server’s response. This results e.g. in an open redirect vulnerability. This issue affects TeamDavid through Rollout 524.

Affected Software

Weaknesses

• CWE-601: CWE-601 URL redirection to untrusted site ('open redirect')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

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

References

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

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