CVE-2026-35263: Vulnerability in the WebLogic Server product of Oracle
CVE-2026-35263 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-35263 is a vulnerability published by NVD on 6/17/2026.
What happened
Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise WebLogic Server. While the vulnerability is in WebLogic Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of WebLogic Server. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Affected products and versions
- oracle weblogic server 14.1.2.0.0
- oracle weblogic server 15.1.1.0.0
Severity and weakness
CVSS: CRITICAL 9.9. Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Weaknesses: CWE-284.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.