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CVE-2026-60201 – Unauthenticated RCE – Oracle WebLogic Server 12.2.1.4.0 through 15.1.1.0.0

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Summary

CVE-2026-60201 is a critical, unauthenticated remote code execution vulnerability in the Core component of Oracle WebLogic Server, affecting versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Published on July 21, 2026 as part of the Oracle July 2026 Critical Patch Update, successful exploitation allows a remote, unauthenticated attacker to fully take over the affected server. The vulnerability carries a CVSS 3.1 base score of 8.1 (HIGH).

Technical details

  • Component: Core component of Oracle WebLogic Server (part of Oracle Fusion Middleware)
  • Attack vector: Exploitable remotely over the network via Oracle’s proprietary T3 and IIOP protocols, which are enabled by default on WebLogic instances (typically accessible on ports 7001/7002)
  • Authentication: No authentication or user interaction required to trigger exploitation
  • Attack complexity: High — specific conditions must be met for successful exploitation, but this does not reduce the urgency of patching, as affected configurations exist in production deployments
  • Impact: Complete system compromise — successful exploitation results in full takeover of the Oracle WebLogic Server host, with Confidentiality, Integrity, and Availability all rated HIGH

Affected software

  • Oracle WebLogic Server 12.2.1.4.0
  • Oracle WebLogic Server 14.1.1.0.0
  • Oracle WebLogic Server 14.1.2.0.0
  • Oracle WebLogic Server 15.1.1.0.0

Severity

  • CVSS v3.1 Base Score: 8.1 (HIGH)
  • Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate action: Apply the patches provided in the Oracle July 2026 Critical Patch Update for all affected WebLogic Server versions. Oracle recommends applying CPU patches without delay.
  • Network-level mitigation: If immediate patching is not possible, restrict or block access to the T3 and IIOP protocols at the network perimeter (firewall rules on ports 7001/7002 and associated T3/IIOP listener ports) to limit the attack surface to trusted sources only.
  • Review exposure: Audit all internet-facing WebLogic instances to confirm protocol exposure and ensure any externally reachable listeners are either patched or isolated behind access controls.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

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2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

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By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

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Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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  • Confirmation of verified exploitable assets
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