CVE-2026-21273

{"id": "CVE-2026-21273", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21273", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T14:58:24.290218Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 2.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 2.3}]}, "affected": [{"source": "psirt@adobe.com", "affectedData": [{"vendor": "Adobe", "product": "ColdFusion 2025", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2025.0.11"}, {"status": "unaffected", "version": "2025.0.12", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Adobe", "product": "ColdFusion 2023", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2023.0.22"}, {"status": "unaffected", "version": "2023.0.23", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-11T17:17:55.160", "references": [{"url": "https://helpx.adobe.com/security/products/coldfusion/apsb26-90.html", "tags": ["Vendor Advisory"], "source": "psirt@adobe.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-08-28T00:16:49.690", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B02A37FE-5D31-4892-A3E6-156A8FE62D28"}, {"criteria": "cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0AA3D302-CFEE-4DFD-AB92-F53C87721BFF"}, {"criteria": "cpe:2.3:a:adobe:coldfusion:2023:update10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "645D1B5F-2DAB-4AB8-A465-AC37FF494F95"}, {"criteria": "cpe:2.3:a:adobe:coldfusion:2023:update11:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ED6D8996-0770-4C9F-BEA5-87EA479D40A5"}, {"criteria": "cpe:2.3:a:adobe:coldfusion:2023:update12:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4836086E-3D4A-4A07-A372-382D385CB490"}, {"criteria": "cpe:2.3:a:adobe:coldfusion:2023:update13:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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