{"api_version":"1","generated_at":"2026-10-21T10:17:04+00:00","cve":"CVE-2026-91399","urls":{"html":"https://cve.report/CVE-2026-91399","api":"https://cve.report/api/cve/CVE-2026-91399.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-91399","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-91399"},"summary":{"title":"CVE-2026-91399","description":"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, 23.12.0-23.12.20, 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).","state":"PUBLISHED","assigner":"oracle","published_at":"2026-10-20 22:20:43","updated_at":"2026-10-20 22:20:43"},"problem_types":["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."],"metrics":[{"version":"3.1","source":"secalert_us@oracle.com","type":"Primary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","name":"https://www.oracle.com/security-alerts/cpuoct2026.html","refsource":"secalert_us@oracle.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91399","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91399","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","version":"affected 21.12.0.0 21.12.21.9 custom","platforms":[]},{"source":"CNA","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","version":"affected 22.12.0.0 22.12.21.4 custom","platforms":[]},{"source":"CNA","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","version":"affected 23.12.0 23.12.20 custom","platforms":[]},{"source":"CNA","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","version":"affected 24.12.0 24.12.16 custom","platforms":[]},{"source":"CNA","vendor":"Oracle Corporation","product":"Primavera P6 Enterprise Project Portfolio Management","version":"affected 25.12.0 25.12.8 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Primavera P6 Enterprise Project Portfolio Management","vendor":"Oracle Corporation","versions":[{"lessThanOrEqual":"21.12.21.9","status":"affected","version":"21.12.0.0","versionType":"custom"},{"lessThanOrEqual":"22.12.21.4","status":"affected","version":"22.12.0.0","versionType":"custom"},{"lessThanOrEqual":"23.12.20","status":"affected","version":"23.12.0","versionType":"custom"},{"lessThanOrEqual":"24.12.16","status":"affected","version":"24.12.0","versionType":"custom"},{"lessThanOrEqual":"25.12.8","status":"affected","version":"25.12.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*","versionEndIncluding":"21.12.21.9","versionStartIncluding":"21.12.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*","versionEndIncluding":"22.12.21.4","versionStartIncluding":"22.12.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*","versionEndIncluding":"23.12.20","versionStartIncluding":"23.12.0","vulnerable":true},{"criteria":"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*","versionEndIncluding":"24.12.16","versionStartIncluding":"24.12.0","vulnerable":true},{"criteria":"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*","versionEndIncluding":"25.12.8","versionStartIncluding":"25.12.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en-US","value":"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, 23.12.0-23.12.20, 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)."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management.  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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."],"metrics":{"cvssMetricV31":[{"source":"secalert_us@oracle.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"91399","Ordinal":"1","Title":"CVE-2026-91399","CVE":"CVE-2026-91399","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"91399","Ordinal":"1","NoteData":"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, 23.12.0-23.12.20, 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).","Type":"Description","Title":"CVE-2026-91399"}]}}}