{"id":"CVE-2026-33587","aliases":["EUVD-2026-28346","GHSA-f35w-wx37-26q7","GHSA-jqjr-j3vj-vwq3"],"status":"published","title":"Remote Code Execution (RCE) via Server-Side Template Injection (SSTI)","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0023,"percentile":0.13845,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-05-07T10:22:16Z","modified":"2026-10-20T12:01:54Z","products":[{"vendor":"lfnovo","product":"open-notebook"},{"vendor":"open notebook","product":"open notebook"}],"references":[{"url":"https://github.com/lfnovo/open-notebook/security/advisories/GHSA-f35w-wx37-26q7","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33587"},{"url":"https://github.com/advisories/GHSA-jqjr-j3vj-vwq3"}],"sources":{"cve":[{"id":"CVE-2026-33587","title":"Remote Code Execution (RCE) via Server-Side Template Injection (SSTI)","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","status":"published","published":"2026-05-07T10:22:16.378Z","modified":"2026-05-07T11:35:45.879Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-28346","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","status":"published","published":"2026-05-07T10:22:16Z","modified":"2026-05-07T11:35:45Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:05:15.366699Z"}],"ghsa":[{"id":"GHSA-jqjr-j3vj-vwq3","title":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute...","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","status":"published","published":"2026-05-07T12:31:23Z","modified":"2026-05-07T21:30:27Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"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-20"],"updated_at":"2026-11-02T15:07:57.010667Z"}],"nvd":[{"id":"CVE-2026-33587","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","status":"published","published":"2026-05-07T11:16:00.887Z","modified":"2026-06-17T10:37:44.983Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:17.842772Z"}],"osv":[{"id":"CVE-2026-33587","description":"Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.","status":"published","published":"2026-05-07T11:16:00.887Z","modified":"2026-10-20T12:01:54.808160725Z","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":"2026-11-02T15:45:01.896044Z"}]}}