{"id":"CVE-2026-11841","aliases":["EUVD-2026-49732","GHSA-5x3h-wq76-mxqx"],"status":"published","title":"CVE-2026-11841","description":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00854,"percentile":0.58634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-552"],"published":"2026-07-28T09:25:36Z","modified":"2026-09-09T15:52:04Z","products":[{"vendor":"sick ag","product":"icr890-4"},{"vendor":"sick ag","product":"inspectorp61x"},{"vendor":"sick ag","product":"inspectorp62x"},{"vendor":"sick ag","product":"inspectorp63x"},{"vendor":"sick ag","product":"inspectorp64x"},{"vendor":"sick ag","product":"inspectorp65x"}],"references":[{"url":"https://www.sick.com/psirt","tags":["x_SICK PSIRT Security Advisories"]},{"url":"https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf","tags":["x_SICK Operating Guidelines"]},{"url":"https://www.cisa.gov/resources-tools/resources/ics-recommended-practices","tags":["x_ICS-CERT recommended practices on Industrial Security"]},{"url":"https://www.first.org/cvss/calculator/3.1","tags":["x_CVSS v3.1 Calculator"]},{"url":"https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0010.json","tags":["x_The canonical URL."]},{"url":"https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0010.pdf","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11841"},{"url":"https://github.com/advisories/GHSA-5x3h-wq76-mxqx"}],"sources":{"cve":[{"id":"CVE-2026-11841","title":"CVE-2026-11841","description":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.","status":"published","published":"2026-07-28T09:25:36.738Z","modified":"2026-08-24T13:54:22.224Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-552"],"updated_at":"2026-11-02T14:20:04.463704Z"}],"euvd":[{"id":"EUVD-2026-49732","description":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.","status":"published","published":"2026-07-28T09:25:36Z","modified":"2026-08-24T13:54:22Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"updated_at":"2026-11-02T18:01:34.936274Z"}],"ghsa":[{"id":"GHSA-5x3h-wq76-mxqx","title":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas...","description":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.","status":"published","published":"2026-07-28T12:31:19Z","modified":"2026-07-28T12:31:20Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"cwes":["CWE-552"],"updated_at":"2026-11-02T15:09:51.995252Z"}],"nvd":[{"id":"CVE-2026-11841","description":"An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.","status":"published","published":"2026-07-28T10:16:47.867Z","modified":"2026-09-09T15:52:04.827Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"secondary"}],"cwes":["CWE-552"],"updated_at":"2026-11-02T14:12:33.249634Z"}]}}