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).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Oracle Corporation Primavera P6 Enterprise Project Portfolio Management affected
Version Status Constraints
21.12.0.0 affected ≤ 21.12.21.9
22.12.0.0 affected ≤ 22.12.21.4
23.12.0 affected ≤ 23.12.20
24.12.0 affected ≤ 24.12.16
25.12.0 affected ≤ 25.12.8

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Oracle Subscribe
Primavera P6 Enterprise Project Portfolio Management Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.oracle.com/security-alerts/cpuoct2026.html cve-icon cve-icon
History

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle primavera P6 Enterprise Project Portfolio Management
CPEs cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle primavera P6 Enterprise Project Portfolio Management
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-20T21:25:46.002Z

Reserved: 2026-09-14T22:10:16.632Z

Link: CVE-2026-91399

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T22:20:43.327

Modified: 2026-10-20T22:20:43.327

Link: CVE-2026-91399

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.