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TI-2026-57284 Aliases CVE-2026-83043GHSA-9h2x-pf7f-4g3j

Improper access control in Oracle WebCenter Portal

Priority MEDIUM 43CWE-284Published · Updated

Key facts

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

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

Summary

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00416 36th 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle WebCenter Portal12.2.1.4.0; 14.1.2.0.0—No fix listedCNA
  • Oracle WebCenter Portal VendorOracle Affected 12.2.1.4.0; 14.1.2.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:webcenter_portal:14.1.2.0.0:*:*:*:*:*:*:*14.1.2.0.0VulnerableOracle
  • cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:webcenter_portal:14.1.2.0.0:*:*:*:*:*:*:* Versions 14.1.2.0.0 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

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

  • Advisory ·

    Oracle WebCenter Portal — oracle.com/security-alerts/cspusep2026.html

    24 records Highest priority Priority MEDIUM 14 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2026-51975 Improper authentication in Oracle WebCenter PortalPriority MEDIUM 49
    • TI-2026-51968 Improper authentication in Oracle WebCenter PortalPriority MEDIUM 49
    • TI-2026-51965 Improper authentication in Oracle WebCenter PortalPriority MEDIUM 49
    Show all 24 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-83043
  2. 2026-10-03 Alias added: GHSA-9h2x-pf7f-4g3j

References

Advisory 1

  • TI-2020-02258 Deserialization of untrusted data in Oracle WebCenter Portal KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-16530 XStream is vulnerable to a Remote Command Execution attack KEVCVSS 3.1HIGH 8.5
  • TI-2021-04451 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.1
  • TI-2021-04446 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
  • TI-2021-04444 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
  • TI-2019-07494 Code injection in xstream CVSS 3.1CRITICAL 9.8
See all 158 →

Sources

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