{"id":"CVE-2026-88817","aliases":["EUVD-2026-80695","GHSA-3w65-9g38-h8jv"],"status":"published","title":"Privilege escalation via legacy access group creation endpoint","description":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.\n\n\n\nIt did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00351,"percentile":0.29086,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-284"],"published":"2026-09-16T12:10:36Z","modified":"2026-09-23T11:10:00Z","products":[{"vendor":"curiosity gmbh","product":"curiosity workspace"}],"references":[{"url":"https://docs.curiosity.ai/security/advisories/cve-2026-88817","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88817"},{"url":"https://github.com/advisories/GHSA-3w65-9g38-h8jv"}],"sources":{"cve":[{"id":"CVE-2026-88817","title":"Privilege escalation via legacy access group creation endpoint","description":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.\n\n\n\nIt did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.","status":"published","published":"2026-09-16T12:10:36.202Z","modified":"2026-09-16T13:13:51.032Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-269","CWE-284"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-80695","description":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.\n\n\n\nIt did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.","status":"published","published":"2026-09-16T12:10:36Z","modified":"2026-09-16T13:13:51Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:28:16.201278Z"}],"ghsa":[{"id":"GHSA-3w65-9g38-h8jv","title":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an...","description":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.\n\n\n\nIt did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.","status":"published","published":"2026-09-16T15:31:09Z","modified":"2026-09-16T15:31:13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/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":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:11:59.582427Z"}],"nvd":[{"id":"CVE-2026-88817","description":"An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.\n\n\n\nIt did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.","status":"published","published":"2026-09-16T13:18:07.837Z","modified":"2026-09-23T11:10:00.187Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/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":"high","assessor":"secondary"}],"cwes":["CWE-269","CWE-284"],"updated_at":"2026-11-02T14:12:48.630594Z"}]}}