{"id":"CVE-2026-54199","state":"PUBLISHED","title":"TeamDavid: Header Injection through request body in link storing functionality","description":"Tobit Laboratories AG TeamDavid's Webbox  is vulnerable to HTTP header injection through the \nrequest body in the application's link storing functionality \n(//ServerClient_celink.htm), which is appended to the redirect target in\n the 302 HTTP response. If a line feed is added, this will also be added\n to the redirect link, resulting in the ability to control the response \nheaders. This issue affects TeamDavid before Rollout 528.\n\nStarting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.","publishedAt":"2026-08-07T09:41:22.133Z","updatedAt":"2026-09-07T12:42:50.984Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"NCSC.ch"},"assigner":"NCSC.ch","products":["Tobit Laboratories AG TeamDavid"],"affected":[{"vendor":"Tobit Laboratories AG","product":"TeamDavid","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"Rollout 528","versionType":"custom"}],"modules":["Webbox"]}],"references":["https://chayns.net/77892-10814/tapp/763210?postId=11454","https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54199.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54199","state":"PUBLISHED","datePublished":"2026-08-07T09:41:22.133Z","dateUpdated":"2026-09-07T12:42:50.984Z","assignerShortName":"NCSC.ch","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","dateReserved":"2026-06-12T09:32:44.531Z"},"containers":{"cna":{"title":"TeamDavid: Header Injection through request body in link storing functionality","descriptions":[{"lang":"en","value":"Tobit Laboratories AG TeamDavid's Webbox  is vulnerable to HTTP header injection through the \nrequest body in the application's link storing functionality \n(//ServerClient_celink.htm), which is appended to the redirect target in\n the 302 HTTP response. If a line feed is added, this will also be added\n to the redirect link, resulting in the ability to control the response \nheaders. This issue affects TeamDavid before Rollout 528.\n\nStarting 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":[{"vendor":"Tobit Laboratories AG","product":"TeamDavid","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"Rollout 528","versionType":"custom"}],"modules":["Webbox"]}],"references":[{"url":"https://chayns.net/77892-10814/tapp/763210?postId=11454","tags":["release-notes"]},{"url":"https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20 Improper input validation","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC.ch","orgId":"455daabc-a392-441d-aa46-37d35189897c","dateUpdated":"2026-09-07T12:42:50.984Z"},"credits":[{"lang":"en","value":"Dario Weiss of InfoGuard Labs","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-10T11:26:52.812291Z","id":"CVE-2026-54199","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-10T11:27:02.609Z"}}]}}}