Oracle WebCenter Sites authentication flaw allows unauthenticated takeover
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Oracle | Oracle WebCenter Sites | 12.2.1.4.0; 14.1.2.0.0 | — | No fix listed | CNA |
- Oracle WebCenter Sites VendorOracle Affected 12.2.1.4.0; 14.1.2.0.0 Fixed in — No fix listed CNA
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
- 2026-10-21 Threatist record created from CVE-2026-101499
- 2026-10-21 Alias added: GHSA-fpgm-6497-5846
- 2026-10-21 Weakness changed · CISA ADP
- 2026-10-21 CISA SSVC decision points changed
References
Advisory 1
More Oracle Webcenter Sites vulnerabilities
- 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
Sources
- CVE-2026-101499 · CVE Program
- CVE-2026-101499 · NVD
- FIRST EPSS
- GHSA-fpgm-6497-5846 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences