{"id":"CVE-2026-44129","state":"PUBLISHED","title":"Server-side template injection","description":"SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and potentially achieve remote code execution depending on the enabled template plugins.","publishedAt":"2026-05-08T13:14:36.616Z","updatedAt":"2026-05-18T16:14:51.593Z","severity":{"score":8.3,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","source":"NCSC.ch"},"assigner":"NCSC.ch","products":["SEPPmail AG Secure Email Gateway"],"affected":[{"vendor":"SEPPmail AG","product":"Secure Email Gateway","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"15.0.4","versionType":"custom"}]}],"references":["https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security","https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/"],"weaknesses":["CWE-1336"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44129.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44129","state":"PUBLISHED","datePublished":"2026-05-08T13:14:36.616Z","dateUpdated":"2026-05-18T16:14:51.593Z","assignerShortName":"NCSC.ch","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","dateReserved":"2026-05-05T12:56:43.132Z"},"containers":{"cna":{"title":"Server-side template injection","descriptions":[{"lang":"en","value":"SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and potentially achieve remote code execution depending on the enabled template plugins."}],"affected":[{"vendor":"SEPPmail AG","product":"Secure Email Gateway","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"15.0.4","versionType":"custom"}]}],"references":[{"url":"https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security"},{"url":"https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","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":"HIGH","baseScore":8.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1336","lang":"en","description":"CWE-1336 Improper neutralization of special elements used in a template engine","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC.ch","orgId":"455daabc-a392-441d-aa46-37d35189897c","dateUpdated":"2026-05-18T16:14:51.593Z"},"impacts":[{"capecId":"CAPEC-101","descriptions":[{"lang":"en","value":"CAPEC-101 Server Side Include (SSI) Injection"}]}],"credits":[{"lang":"en","value":"Dario Weiss of InfoGuard Labs","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T14:13:12.537804Z","id":"CVE-2026-44129","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-08T21:27:35.239Z"}}]}}}