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PatchSiren cyber security CVE debrief

CVE-2026-61140 Oracle Corporation CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:18:45.300Z and has not been modified since then. The CVE-2026-61140 vulnerability affects Oracle WebCenter Sites version 14.1.2.0.0, allowing unauthenticated attackers with network access via HTTP to compromise the site, potentially leading to site takeover. The CVSS 3.1 Base Score is 9.8, indicating critical severity. This vulnerability is easily exploitable and impacts Confidentiality, Integrity, and Availability. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts. Defenders should verify system configurations, review logs for suspicious activity, and ensure patches are applied according to vendor guidance. Administrators and security teams should prioritize patching and review system configurations for potential exposure. Security teams should also monitor for indicators of compromise and adjust their security posture accordingly.

Vendor
Oracle Corporation
Product
Oracle WebCenter Sites
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-08-01
Advisory published
2026-07-21
Advisory updated
2026-08-01

Who should care

Administrators and security teams responsible for Oracle WebCenter Sites installations should review and apply security patches immediately. Additionally, organizations using affected versions of WebCenter Sites should implement compensating controls and monitor for suspicious activity. IT operators, vulnerability management teams, and security personnel should prioritize patching and review system configurations for potential exposure. Security teams should also monitor for indicators of compromise and adjust their security posture accordingly.

Technical summary

The CVE-2026-61140 vulnerability affects Oracle WebCenter Sites version 14.1.2.0.0 and allows unauthenticated attackers with network access via HTTP to compromise the site. Successful attacks can result in site takeover. The CVSS 3.1 Base Score is 9.8, indicating critical severity. The vulnerability is easily exploitable and impacts Confidentiality, Integrity, and Availability. Technical details are limited, but defenders should focus on securing HTTP access and verifying system integrity.

Defensive priority

Critical vulnerability in Oracle WebCenter Sites allows unauthenticated attackers to compromise the site via HTTP, potentially leading to takeover.

Recommended defensive actions

  • Review and apply Oracle's security patches for WebCenter Sites
  • Implement compensating controls to restrict access to WebCenter Sites
  • Monitor WebCenter Sites for suspicious activity
  • Verify WebCenter Sites inventory and configurations
  • Consider isolating WebCenter Sites from the internet

Evidence notes

The CVE-2026-61140 vulnerability affects Oracle WebCenter Sites version 14.1.2.0.0 and allows unauthenticated attackers with network access via HTTP to compromise the site. Successful attacks can result in site takeover. The CVSS 3.1 Base Score is 9.8, indicating critical severity. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts. Defenders should verify system configurations, review logs for suspicious activity, and ensure patches are applied according to vendor guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:18:45.300Z and has not been modified since then.