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PatchSiren cyber security CVE debrief

CVE-2026-35293 Oracle Corporation CVE debrief

A critical vulnerability was discovered in Oracle WebCenter Sites, a product of Oracle Fusion Middleware. The vulnerability, tracked as CVE-2026-35293, has a CVSS score of 9.8 and allows unauthenticated attackers with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks can result in a takeover of the site. The vulnerability is located in the WebCenter Sites component and has a high impact on confidentiality, integrity, and availability.

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 14.1.2.0.0 should be aware of this vulnerability and take necessary actions to mitigate it. Operators, platform administrators, vulnerability management teams, and security teams should review the official advisory and plan for updates or mitigations.

Technical summary

The vulnerability is located in the WebCenter Sites component of Oracle WebCenter Sites. It has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high impact on confidentiality, integrity, and availability. The vulnerability is easily exploitable and allows unauthenticated attackers to compromise Oracle WebCenter Sites. The affected product is Oracle WebCenter Sites 14.1.2.0.0.

Defensive priority

High

Recommended defensive actions

  • Apply the patch or update provided by Oracle Corporation
  • Restrict access to Oracle WebCenter Sites to only trusted networks and users
  • 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 2026-06-17T10:40:21.423Z and last modified on 2026-06-17T18:51:24.563Z. The NVD entry is currently Analyzed. The vulnerability affects Oracle WebCenter Sites 14.1.2.0.0. Defenders should verify the affected product deployments and review the official advisory for mitigation guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-35293 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-35293

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

  • CVE-2026-35293 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-35293

    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.