{"id":"CVE-2026-78237","aliases":["EUVD-2026-66332","GHSA-9v6j-cr5f-p2gx"],"status":"published","title":"Insufficient input validation in Admin By Request (ABR)","description":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00151,"percentile":0.04297,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-08-26T07:24:32Z","modified":"2026-09-03T18:31:34Z","products":[{"vendor":"admin by request (abr)","product":"admin by request (abr)"}],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/"},{"url":"https://docs.adminbyrequest.com/security-advisories/abr-mac-26-02.htm","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78237"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110"},{"url":"https://github.com/advisories/GHSA-9v6j-cr5f-p2gx"}],"sources":{"cve":[{"id":"CVE-2026-78237","title":"Insufficient input validation in Admin By Request (ABR)","description":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.","status":"published","published":"2026-08-26T07:24:32.411Z","modified":"2026-08-28T07:03:58.67Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-66332","description":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.","status":"published","published":"2026-08-26T07:24:32Z","modified":"2026-08-28T07:03:58Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:24.093932Z"}],"ghsa":[{"id":"GHSA-9v6j-cr5f-p2gx","title":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries...","description":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.","status":"published","published":"2026-09-03T18:31:29Z","modified":"2026-09-03T18:31:34Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:11:19.800842Z"}],"nvd":[{"id":"CVE-2026-78237","description":"Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.","status":"published","published":"2026-08-26T08:16:46.72Z","modified":"2026-09-03T16:59:26.287Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}