{"id":"CVE-2026-91399","title":"Vulnerability in the Primavera P6 Enterprise Project Portfolio Management product of Oracle Construction and Engineering (component: Web Access)","summary":"Vulnerability in the Primavera P6 Enterprise Project Portfolio Management product of Oracle Construction and Engineering (component: Web Access).  Supported versions that are affected are 21.12.0.0-21.12.21.9, 22.12.0.0-22.12.21.4, 23.12…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","affected":["primavera_p6_enterprise_project_portfolio_management >= 21.12.0.0 <= 21.12.21.9","primavera_p6_enterprise_project_portfolio_management >= 22.12.0.0 <= 22.12.21.4","primavera_p6_enterprise_project_portfolio_management >= 23.12.0 <= 23.12.20","primavera_p6_enterprise_project_portfolio_management >= 24.12.0 <= 24.12.16","primavera_p6_enterprise_project_portfolio_management >= 25.12.0 <= 25.12.8"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:25:46.002Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91399","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.775Z","slug":"CVE-2026-91399","body":"## Overview\n\nVulnerability in the Primavera P6 Enterprise Project Portfolio Management product of Oracle Construction and Engineering (component: Web Access).  Supported versions that are affected are 21.12.0.0-21.12.21.9, 22.12.0.0-22.12.21.4, 23.12.0-23.12.20, 24.12.0-24.12.16 and 25.12.0-25.12.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Primavera P6 Enterprise Project Portfolio Management accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).\n\n## Affected\n\n- `primavera_p6_enterprise_project_portfolio_management >= 21.12.0.0 <= 21.12.21.9`\n- `primavera_p6_enterprise_project_portfolio_management >= 22.12.0.0 <= 22.12.21.4`\n- `primavera_p6_enterprise_project_portfolio_management >= 23.12.0 <= 23.12.20`\n- `primavera_p6_enterprise_project_portfolio_management >= 24.12.0 <= 24.12.16`\n- `primavera_p6_enterprise_project_portfolio_management >= 25.12.0 <= 25.12.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}