{"id":"CVE-2026-54390","aliases":[],"cve":{"records":[{"id":"CVE-2026-54390","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-06-12T20:20:02.950Z","published":"2026-06-18T17:33:46.230Z","modified":"2026-10-29T21:15:43.423Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T21:15:43.423Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-06-22T12:39:39.093Z"}],"references":[{"url":"https://sansec.io/research/jtl-shop-ssti-rce","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://forum.jtl-software.de/threads/jtl-shop-5-7-aktuell-5-7-2.246278/","tags":["release-notes","patch"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/jtl-shop-server-side-template-injection-via-smarty-renderer","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-1336","description":"Improper Neutralization of Special Elements Used in a Template Engine","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-06-22T12:39:02.156506Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"total"}]}]},"title":"JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"JTL Shop versions 5.2.0 through 5.7.1 contains a server-side template injection vulnerability that allows unauthenticated attackers to inject malicious template syntax due to unsanitized user-supplied input passed to the Smarty template engine. Attackers can exploit this flaw to read sensitive server-side values such as database credentials and encryption keys, and on versions 5.4.0 through 5.7.1, leverage registered Smarty modifiers including unserialize and file_get_contents to write a webshell to the web root and execute arbitrary commands as the web server user.","score":9.8,"severity":"critical","published":"2026-06-18T17:33:46.230Z","modified":"2026-10-29T21:15:43.423Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"JTL Software","name":"JTL Shop","platforms":[],"versions":[{"version":"5.0.0","status":"unaffected","lessThanOrEqual":"5.1.8","versionType":"semver"},{"version":"5.2.0","status":"affected","lessThan":"5.4.0","versionType":"semver"},{"version":"5.4.0","status":"affected","lessThan":"5.5.4","versionType":"semver"},{"version":"5.6.0","status":"affected","lessThan":"5.6.2","versionType":"semver"},{"version":"5.7.0","status":"affected","lessThan":"5.7.2","versionType":"semver"},{"version":"5.5.4","status":"unaffected","versionType":"semver"},{"version":"5.6.2","status":"unaffected","versionType":"semver"},{"version":"5.7.2","status":"unaffected","versionType":"semver"}],"defaultStatus":"affected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-54390"}],"remediation":[],"references":["https://sansec.io/research/jtl-shop-ssti-rce","https://forum.jtl-software.de/threads/jtl-shop-5-7-aktuell-5-7-2.246278/","https://www.vulncheck.com/advisories/jtl-shop-server-side-template-injection-via-smarty-renderer"],"sources":[{"name":"CVE","id":"CVE-2026-54390","modified":"2026-10-29T21:15:43.423Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-54390"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"sourceAffected":[],"observedAt":"2026-10-29T21:28:52.260Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"refresh-failed","attemptedAt":"2026-10-30T00:00:32.797Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T00:00:32.797Z","attemptedAt":"2026-10-30T00:00:32.797Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T00:00:32.797Z","attemptedAt":"2026-10-30T00:00:32.797Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T00:00:32.797Z","attemptedAt":"2026-10-30T00:00:32.797Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-pxq6-fr5m-fwh5","url":"https://github.com/advisories/GHSA-pxq6-fr5m-fwh5","modified":"2026-06-18T18:35:31Z","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T00:00:32.797Z"},{"source":"ENISA EUVD","id":"EUVD-2026-37925","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-37925","modified":"Oct 29, 2026, 9:15:43 PM","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-30T00:00:32.797Z"},{"source":"FIRST EPSS","id":"CVE-2026-54390","url":"https://www.first.org/epss/","probability":0.00604,"percentile":0.48802,"date":"2026-10-29","checkedAt":"2026-10-30T00:00:32.797Z"}],"aiSummary":{"text":"JTL Shop versions 5.2.0 through 5.7.1 have a server-side template injection vulnerability, allowing unauthenticated attackers to inject malicious template syntax due to unsanitized user input. This may allow reading sensitive server-side values or, on versions 5.4.0 through 5.7.1, writing a webshell to execute arbitrary commands. Attackers need no special access.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:36:26.359Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-54390"}]}}