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TI-2026-77435 Aliases CVE-2026-91376GHSA-jp3f-x893-j6xv

Improper access control in Oracle Primavera P6 Web Access

Priority LOW 28CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Oracle Primavera P6 Enterprise Project Portfolio Management versions from 21.12.0.0 through 21.12.21.9, from 22.12.0.0 through 22.12.21.4, from 23.12.0 through 23.12.20, from 24.12.0 through 24.12.16 and from 25.12.0 through 25.12.8 are affected. Improper access control in the Web Access component (CWE-284) lets a remote attacker with low privileges reach data they should not access over HTTP. Exploitation requires a user other than the attacker to take an action, and a successful attack can expose or change some data the product can access.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Primavera P6 Enterprise Project Portfolio Management, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Primavera P6 Enterprise Project Portfolio Management accessible data as well as unauthorized update, insert or delete access to some of Primavera P6 Enterprise Project Portfolio Management accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00159 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OraclePrimavera P6 Enterprise Project Portfolio Management21.12.0.0 – 21.12.21.9; 22.12.0.0 – 22.12.21.4; 23.12.0 – 23.12.20; 24.12.0 – 24.12.16; 25.12.0 – 25.12.8—No fix listedCNA
  • Primavera P6 Enterprise Project Portfolio Management VendorOracle Affected 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; 25.12.0 – 25.12.8 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*——Oracle
  • cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for Oracle Primavera P6 Enterprise Project Portfolio Management.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle Primavera P6 Enterprise Project Portfolio Management — oracle.com/security-alerts/cpuoct2026.html

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-77458 Improper access control in Oracle Primavera P6 Web AccessPriority LOW 19
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91376
  2. 2026-10-21 Alias added: GHSA-jp3f-x893-j6xv
  3. 2026-10-21 Weakness changed · CISA ADP
  4. 2026-10-21 CISA SSVC decision points changed
  5. 2026-10-21 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
See all 14200 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences