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CVE-2026-60291 – Unauthenticated Remote Takeover – Oracle WebLogic Server 12.2.1.4.0 – 15.1.1.0.0

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Summary

CVE-2026-60291 is a critical vulnerability in the Core component of Oracle WebLogic Server, disclosed as part of Oracle’s Critical Patch Update for July 2026. The flaw is easily exploitable and allows an unauthenticated attacker with network access via HTTP to achieve complete takeover of the affected server. With a CVSS v3.1 base score of 9.8, this vulnerability requires no privileges and no user interaction to exploit.

Technical details

  • Root cause: Specific root cause details have not been disclosed in the CVE record; no CWE classification has been assigned.
  • Trigger conditions: An unauthenticated attacker sends a crafted HTTP request over the network to an exposed Oracle WebLogic Server instance; no prior access, credentials, or victim interaction are required.
  • Attack vector: Network-accessible Oracle WebLogic Server instances via HTTP; Attack Complexity is LOW with no special configuration or preconditions needed.
  • Impact: Successful exploitation results in complete takeover of Oracle WebLogic Server, with full compromise of 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: 9.8 (Critical)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the patches released by Oracle as part of the Critical Patch Update – July 2026. Oracle strongly recommends applying CPU patches as soon as possible.
  • If patching is not immediately feasible: Restrict network access to Oracle WebLogic Server administrative and managed server ports (commonly 7001, 7002, 9702). Ensure WebLogic instances are not directly reachable from the public internet; place them behind a firewall or network access control list that limits HTTP access to trusted sources only.

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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1

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