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PatchSiren cyber security CVE debrief

CVE-2026-46838 Oracle Corporation CVE debrief

A critical vulnerability was discovered in Oracle WebCenter Portal's Security Framework, tracked as CVE-2026-46838, with a CVSS score of 9.9. The vulnerability allows low-privileged attackers with network access via HTTPS to compromise the system, affecting Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. The vulnerability has a significant impact and can result in a takeover of Oracle WebCenter Portal. Organizations should prioritize patching to prevent potential system compromise.

Vendor
Oracle Corporation
Product
Oracle WebCenter Portal
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-23
Advisory published
2026-06-17
Advisory updated
2026-06-23

Who should care

Organizations using Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 should prioritize patching this vulnerability to prevent potential takeover of the system. Additionally, security teams and vulnerability management teams should be aware of the vulnerability's severity and impact on their systems.

Technical summary

The vulnerability is caused by a weakness in the Security Framework component of Oracle WebCenter Portal. An easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle WebCenter Portal. 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.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by Oracle Corporation
  • Restrict access to Oracle WebCenter Portal to only trusted users and networks
  • Monitor Oracle WebCenter Portal for suspicious activity
  • Consider implementing additional security controls, such as Web Application Firewalls (WAFs)
  • Verify the integrity of Oracle WebCenter Portal systems and data
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-06-17T10:54:01.293Z and was last modified on 2026-06-23T05:17:03.950Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus and may not reflect the full scope of the vulnerability. Further verification is recommended to ensure accurate understanding of the vulnerability's impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46838 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46838

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46838 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46838

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.