{"id":"CVE-2026-21273","aliases":["EUVD-2026-56535","GHSA-m757-qg2g-x6hm"],"status":"published","title":"ColdFusion | Improper Input Validation (CWE-20)","description":"is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00864,"percentile":0.58934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-08-11T16:30:55Z","modified":"2026-08-28T00:16:49Z","products":[{"vendor":"adobe","product":"coldfusion"},{"vendor":"adobe","product":"coldfusion 2023"},{"vendor":"adobe","product":"coldfusion 2025"}],"references":[{"url":"https://helpx.adobe.com/security/products/coldfusion/apsb26-90.html","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21273"},{"url":"https://github.com/advisories/GHSA-m757-qg2g-x6hm"}],"sources":{"cve":[{"id":"CVE-2026-21273","title":"ColdFusion | Improper Input Validation (CWE-20)","description":"is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","status":"published","published":"2026-08-11T16:30:55.853Z","modified":"2026-08-27T22:34:05.195Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-56535","description":"is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","status":"published","published":"2026-08-11T16:30:55Z","modified":"2026-08-27T22:34:05Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:25.178519Z"}],"ghsa":[{"id":"GHSA-m757-qg2g-x6hm","title":"is affected by an Improper Input Validation vulnerability that could result in privilege...","description":"is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","status":"published","published":"2026-08-11T18:30:53Z","modified":"2026-08-11T18:30:59Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:10:18.151039Z"}],"nvd":[{"id":"CVE-2026-21273","description":"is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","status":"published","published":"2026-08-11T17:17:55.16Z","modified":"2026-08-28T00:16:49.69Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}