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PatchSiren cyber security CVE debrief

CVE-2026-46799 Oracle Corporation CVE debrief

A critical vulnerability was discovered in Oracle WebCenter Sites, a product of Oracle Fusion Middleware. The vulnerability, tracked as CVE-2026-46799, affects versions 12.2.1.4.0 and 14.1.2.0.0. It allows unauthenticated attackers with network access via HTTP to compromise Oracle WebCenter Sites, potentially leading to a takeover of the site. The vulnerability has a high CVSS score of 9.8, indicating a high impact on confidentiality, integrity, and availability. The weakness is categorized as NVD-CWE-noinfo and CWE-306.

Vendor
Oracle Corporation
Product
Oracle WebCenter Sites
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 should be aware of this critical vulnerability and take immediate action to mitigate the risk. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance, and planning vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 9.8, indicating a high impact on confidentiality, integrity, and availability. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The weakness is categorized as NVD-CWE-noinfo and CWE-306. The vulnerability affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0, and allows unauthenticated attackers with network access via HTTP to compromise Oracle WebCenter Sites.

Defensive priority

High

Recommended defensive actions

  • Apply the vendor patch as soon as possible
  • Restrict access to Oracle WebCenter Sites to trusted users and networks
  • Monitor Oracle WebCenter Sites for suspicious activity
  • Consider implementing additional security controls, such as web application firewalls
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-06-17T10:53:57.527Z and last modified on 2026-06-17T19:27:57.620Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0. The CVSS score is 9.8, indicating a high impact on confidentiality, integrity, and availability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46799 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46799

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

  • CVE-2026-46799 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46799

    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.