PatchSiren cyber security CVE debrief
CVE-2026-54199 Tobit Laboratories AG CVE debrief
Tobit Laboratories AG TeamDavid's Webbox is vulnerable to HTTP header injection through the request body in the application's link storing functionality (//ServerClient_celink.htm), which is appended to the redirect target in the 302 HTTP response. The vulnerability allows an attacker to control the response headers by adding a line feed to the redirect link. This issue affects TeamDavid through Rollout 524. Security teams should review and assess potential impact of this vulnerability. The CVE record was published on 2026-08-07T10:16:56.500Z and has not been modified since then. Further verification is needed to confirm affected product versions and configurations. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM.
- Vendor
- Tobit Laboratories AG
- Product
- TeamDavid
- CVSS
- MEDIUM 5.3
- 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
Security teams responsible for Tobit Laboratories AG TeamDavid's Webbox should review and assess potential impact of this vulnerability. Teams should verify affected product versions and configurations, assess potential impact, and implement compensating controls to mitigate potential attacks. Security teams should also monitor for vendor remediation or patch release.
Technical summary
Tobit Laboratories AG TeamDavid's Webbox is vulnerable to HTTP header injection through the request body in the application's link storing functionality. The vulnerability allows an attacker to control the response headers by adding a line feed to the redirect link. This issue affects TeamDavid through Rollout 524. The vulnerability is related to the application's link storing functionality (//ServerClient_celink.htm). Security teams should verify affected product versions and configurations, assess potential impact, and implement compensating controls to mitigate potential attacks.
Defensive priority
Medium-priority defensive review recommended due to potential HTTP header injection vulnerability.
Recommended defensive actions
- Review and verify affected product versions and configurations
- Assess potential impact of HTTP header injection vulnerability
- Implement compensating controls to mitigate potential attacks
- Monitor for vendor remediation or patch release
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
Evidence notes
Evidence from official CVE and NVD sources indicates potential HTTP header injection vulnerability in Tobit Laboratories AG TeamDavid's Webbox. Further verification needed. The vulnerability affects TeamDavid through Rollout 524. Security teams should verify affected product versions and configurations. The issue is related to the application's link storing functionality (//ServerClient_celink.htm).
Sources and references
Verified primary and authoritative sources
-
CVE-2026-54199 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-54199
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-54199 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-54199
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://david.tobit.software/releasenotes
-
Source reference
Unverified legacy reference
URL: https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/
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.