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Vulnerability Database/CVE-2026-60680

CVE-2026-60680: Oracle WebLogic Server DoS Vulnerability

CVE-2026-60680 is a denial of service vulnerability in Oracle WebLogic Server that allows attackers to cause system crashes and modify critical data. This article covers technical details, affected versions, impact, and mitigation.

Published:

CVE-2026-60680 Overview

CVE-2026-60680 is a vulnerability in the Core component of Oracle WebLogic Server, part of Oracle Fusion Middleware. The flaw allows a low-privileged attacker with network access via HTTP to compromise the server. Successful exploitation permits unauthorized creation, deletion, or modification of critical data, and can cause a complete denial of service through a hang or repeatable crash. The weakness is classified under [CWE-284] Improper Access Control. Oracle disclosed the issue in the Oracle Security Alert August 2026.

Critical Impact

An authenticated attacker with low privileges can remotely modify or destroy critical WebLogic data and trigger a complete denial of service over HTTP.

Affected Products

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

Discovery Timeline

  • 2026-08-18 - CVE-2026-60680 published to NVD
  • 2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-60680

Vulnerability Analysis

The vulnerability resides in the Core component of Oracle WebLogic Server. An attacker with low-privileged credentials and network access via HTTP can exploit the flaw to compromise the server. The described impact covers integrity and availability, with no confidentiality loss. Attackers can create, delete, or modify any WebLogic-accessible data, and can force the server into a hang or repeatable crash state.

Oracle categorizes the issue as easily exploitable, meaning no unusual conditions or user interaction are required. The scope is unchanged, so exploitation affects only resources managed by the vulnerable WebLogic instance. WebLogic frequently hosts business-critical Java EE applications, making integrity loss and denial of service impactful to downstream services.

Root Cause

The underlying weakness maps to [CWE-284] Improper Access Control. The Core component fails to enforce sufficient authorization checks on operations reachable by authenticated low-privileged users. This gap enables actions normally restricted to administrative roles. Oracle has not published implementation-level detail beyond the August 2026 Security Alert.

Attack Vector

Exploitation occurs over the network via HTTP against exposed WebLogic management or application endpoints. The attacker must hold valid low-privileged credentials on the target instance. Once authenticated, the attacker sends crafted HTTP requests to invoke privileged operations or trigger resource-exhausting code paths. No user interaction is required.

Because no verified proof-of-concept has been published, this article does not include exploit code. Refer to the vendor advisory for authoritative technical details.

Detection Methods for CVE-2026-60680

Indicators of Compromise

  • Unexpected creation, modification, or deletion events in WebLogic configuration or deployed application data authored by low-privileged accounts.
  • Repeated WebLogic managed-server restarts or crash-dump generation without correlating administrative activity.
  • HTTP requests to WebLogic administrative or management URIs from user accounts that historically only access application endpoints.

Detection Strategies

  • Correlate authenticated WebLogic HTTP access logs with configuration change events and identify actions performed by non-administrative principals.
  • Monitor AdminServer.log, access.log, and domain-level audit logs for high-frequency requests followed by JVM instability or thread pool exhaustion.
  • Alert on anomalous privileged operations invoked via HTTP session tokens bound to low-privileged roles.

Monitoring Recommendations

  • Forward WebLogic access, audit, and diagnostic logs to a centralized SIEM for long-term retention and correlation.
  • Baseline normal request rates and administrative operation frequency per role, and alert on statistical deviations.
  • Track process health metrics for managed servers so hang or crash conditions surface immediately alongside preceding HTTP activity.

How to Mitigate CVE-2026-60680

Immediate Actions Required

  • Apply the patches referenced in the Oracle Critical Patch Update / Security Alert - August 2026 to all affected WebLogic versions.
  • Inventory all Oracle WebLogic Server deployments running 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, or 15.1.1.0.0 and prioritize internet-exposed instances.
  • Rotate credentials for low-privileged WebLogic accounts and review role assignments for least-privilege compliance.

Patch Information

Oracle addressed CVE-2026-60680 in the August 2026 Security Alert. Administrators should download and apply the vendor-supplied patch bundle for their specific WebLogic version. Follow the standard OPatch procedure and validate domain restart on non-production servers before rolling to production.

Workarounds

  • Restrict network access to WebLogic administrative ports and HTTP endpoints using firewall or reverse-proxy access control lists.
  • Remove or disable unused low-privileged accounts and enforce multi-factor authentication for all WebLogic console access.
  • Place WebLogic management interfaces behind a VPN or bastion host until patching is complete.
bash
# Example: apply Oracle patch using OPatch
cd $ORACLE_HOME/OPatch
./opatch apply /path/to/patch-cve-2026-60680
./opatch lsinventory | grep -i weblogic

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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