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CVE-2026-12071

TeamDavid: Header Injection leading to Open Redirect via URL-encoded characters PUBLISHED

Description (CNA)

The Webbox of TeamDavid by Tobit Laboratories AG constructs redirect URLs using user-supplied input, which is appended to the redirect target in a 302 HTTP response. By using URL-encoded characters such as “%2e” (representing a dot), an attacker can manipulate the portion of the URL following the top-level domain (TLD). If a similar, registerable TLD exists (for example, if “.com” is the application’s domain, and “.company” is available for registration), an attacker can craft a URL to redirect users to a malicious “.company” domain. By using URL-encoded line feeds, it becomes possible to insert arbitrary response headers in the server's HTTP response. 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.

Affected (CNA)

Vendor / productVersions
Tobit Laboratories AG / TeamDavidaffected 0 before Rollout 528

CWE

CWE-601

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.