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Oracle WebCenter Sites authentication flaw allows unauthenticated takeover

Priority MEDIUM 50CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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-287.

Summary

Oracle WebCenter Sites in Oracle Fusion Middleware, versions 12.2.1.4.0 and 14.1.2.0.0, is affected. The flaw is an authentication weakness that lets requests reach critical functionality without proper checks (CWE-306). An unauthenticated remote attacker with network access over HTTP can fully compromise the product, including takeover of WebCenter Sites.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00565 47th 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
Yes
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 Sites12.2.1.4.0; 14.1.2.0.0—No fix listedCNA
  • Oracle WebCenter Sites 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_sites:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:webcenter_sites:14.1.2.0.0:*:*:*:*:*:*:*14.1.2.0.0VulnerableOracle
  • cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:webcenter_sites:14.1.2.0.0:*:*:*:*:*:*:* Versions 14.1.2.0.0 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle WebCenter Sites.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Fixed in the same release

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

  • Advisory ·

    Oracle WebCenter Sites — oracle.com/security-alerts/cpuoct2026.html

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-77583 Information exposure in Oracle WebCenter SitesPriority LOW 39
    • TI-2026-77577 Sensitive data exposure in Oracle WebCenter SitesPriority LOW 39
    • TI-2026-77300 Oracle WebCenter Sites access control flaw exposes data over HTTPPriority LOW 26

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101499
  2. 2026-10-21 Alias added: GHSA-fpgm-6497-5846
  3. 2026-10-21 Weakness changed · CISA ADP
  4. 2026-10-21 CISA SSVC decision points changed

References

Advisory 1

  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2020-08897 Potential XSS vulnerability in jQuery KEVCVSS 3.1MEDIUM 6.9
  • TI-2019-02128 Vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware… CVSS 3.0HIGH 8.6
  • TI-2021-10213 XStream is vulnerable to a Remote Command Execution attack CVSS 3.1HIGH 8.8
  • TI-2021-20437 Apache Log4j2 does not always protect from infinite recursion in lookup evaluation CVSS 3.1MEDIUM 5.9
  • TI-2015-02881 The MethodClosure class in runtime/MethodClosure.java in Apache Groovy 1.7.0 through… CVSS 3.0CRITICAL 9.8
See all 94 →

Sources