{"id":"CVE-2026-103849","aliases":["EUVD-2026-99219","GHSA-r2jr-3wj5-6696","ROOT-APP-COMPOSER-CVE-2026-103849"],"status":"published","title":"Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)","description":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0117,"percentile":0.67853,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-1336"],"published":"2026-10-13T18:15:53Z","modified":"2026-10-20T04:16:50Z","exploits":[{"source":"pocgithub","id":"dinosn/cve-2026-103849-blockstrap-lab","title":"dinosn/cve-2026-103849-blockstrap-lab","date":"2026-10-18","url":"https://github.com/dinosn/cve-2026-103849-blockstrap-lab"}],"fixes":[{"ecosystem":"Root:Composer","package":"magento/product-enterprise-edition","fixed_in":["2.4.7-p1012007004+root.io","2.4.8-p512007005+root.io","2.4.7-p1012007005+root.io","2.4.7-p1012007006+root.io","2.4.8-p512007006+root.io"],"sources":["osv"]},{"ecosystem":"Root:Composer","package":"magento/product-community-edition","fixed_in":["0.74.0-beta2-p12007004+root.io","2.4.7-p1012007004+root.io","2.3.1-p12007004+root.io","2.4.8-p512007004+root.io","2.3.1-p12007005+root.io","2.4.7-p1012007005+root.io","0.74.0-beta2-p12007005+root.io","2.4.8-p512007005+root.io"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Root:Composer","package":"magento/product-enterprise-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-p1012007004+root.io"},{"fixed":"2.4.8-p512007005+root.io"},{"fixed":"2.4.7-p1012007005+root.io"},{"fixed":"2.4.7-p1012007006+root.io"},{"fixed":"2.4.8-p512007006+root.io"}]}]},{"source":"osv","ecosystem":"Root:Composer","package":"magento/product-community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.74.0-beta2-p12007004+root.io"},{"fixed":"2.4.7-p1012007004+root.io"},{"fixed":"2.3.1-p12007004+root.io"},{"fixed":"2.4.8-p512007004+root.io"},{"fixed":"2.3.1-p12007005+root.io"},{"fixed":"2.4.7-p1012007005+root.io"},{"fixed":"0.74.0-beta2-p12007005+root.io"},{"fixed":"2.4.8-p512007005+root.io"}]}]}],"products":[{"vendor":"adobe","product":"adobe commerce"},{"vendor":"adobe","product":"adobe commerce b2b"},{"vendor":"adobe","product":"magento open source"},{"vendor":"magento","product":"magento open source"}],"references":[{"url":"https://www.adobe.com/trust/security/products/commerce/apsb26-153.html","tags":["vendor-advisory"]},{"url":"https://github.com/dinosn/cve-2026-103849-blockstrap-lab","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103849"},{"url":"https://github.com/advisories/GHSA-r2jr-3wj5-6696"}],"sources":{"cve":[{"id":"CVE-2026-103849","title":"Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)","description":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.","status":"published","published":"2026-10-13T18:15:53.468Z","modified":"2026-10-20T03:55:26.431Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-1336"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-99219","description":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.","status":"published","published":"2026-10-13T18:15:53Z","modified":"2026-10-20T03:55:26Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:44.419021Z"}],"ghsa":[{"id":"GHSA-r2jr-3wj5-6696","title":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template...","description":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.","status":"published","published":"2026-10-13T21:33:03Z","modified":"2026-10-19T15:32:29Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1336"],"updated_at":"2026-11-02T15:13:57.032902Z"}],"nvd":[{"id":"CVE-2026-103849","description":"Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.","status":"published","published":"2026-10-13T19:17:53.997Z","modified":"2026-10-20T04:16:50.633Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-1336"],"updated_at":"2026-11-02T14:12:57.132005Z"}],"osv":[{"id":"ROOT-APP-COMPOSER-CVE-2026-103849","title":"CVE-2026-103849 in magento/product-enterprise-edition - Patched by Root","description":"Root has patched CVE-2026-103849 in the magento/product-enterprise-edition package for Root:Composer. Multiple fixed versions available.","status":"published","published":"2026-10-16T09:34:50Z","modified":"2026-10-16T10:15:03.858705288Z","updated_at":"2026-11-02T15:53:26.76659Z"}]}}