CVE-2026-70924: Oracle Web Services Manager Auth Bypass

CVE-2026-70924 Overview

CVE-2026-70924 is a high-severity vulnerability in Oracle Web Services Manager, a component of Oracle Fusion Middleware. The flaw resides in the Web Services Security component and affects supported versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTPS can compromise the product, resulting in full takeover. The vulnerability is classified under [CWE-306] Missing Authentication for Critical Function. While exploitation is difficult, successful attacks impact confidentiality, integrity, and availability.

Critical Impact
Successful exploitation results in complete takeover of Oracle Web Services Manager without requiring authentication or user interaction.

Affected Products

Oracle Web Services Manager version 12.2.1.4.0
Oracle Web Services Manager version 14.1.2.0.0
Oracle Fusion Middleware deployments using the Web Services Security component

Discovery Timeline

2026-08-18 - CVE-2026-70924 published to NVD
2026-08-22 - Last updated in NVD database
August 2026 - Oracle publishes Oracle Security Alert August 2026

Technical Details for CVE-2026-70924

Vulnerability Analysis

CVE-2026-70924 affects the Web Services Security component of Oracle Web Services Manager (OWSM). OWSM enforces security policies including authentication, authorization, and message protection for SOAP and RESTful web services across Oracle Fusion Middleware. A weakness in how the component validates requests allows a remote attacker to reach protected functionality without presenting valid credentials.

Although Oracle categorizes the exploit as difficult, a successful attack yields complete takeover of the OWSM instance. This impacts every downstream service relying on OWSM for policy enforcement, including identity assertions, WS-Security tokens, and message-level encryption. Attackers gaining control of the manager can disable policies, forge assertions, and pivot into connected middleware components.

Root Cause

The vulnerability is mapped to [CWE-306] Missing Authentication for Critical Function. The Web Services Security component exposes functionality reachable over HTTPS without enforcing authentication on requests that should require verified credentials. Oracle has not published deeper root-cause detail beyond the advisory.

Attack Vector

The attack requires network reachability to the HTTPS endpoint of the OWSM service. No user interaction and no privileges are required. Exploitation complexity is high, indicating that specific conditions or timing must be met for the attack to succeed. Refer to the Oracle Security Alert August 2026 for vendor guidance.

No public proof-of-concept code is available. The vulnerability mechanism should be understood through Oracle's advisory rather than synthetic exploit examples.

Detection Methods for CVE-2026-70924

Indicators of Compromise

Unexpected modifications to OWSM policy stores or policy attachments in Oracle Fusion Middleware.
Anomalous HTTPS requests targeting /wsm-pm, /wsm/validator, or other Web Services Manager endpoints without valid session context.
New or altered WS-Security assertions issued outside of scheduled administrative activity.
Unauthorized administrative operations recorded in OWSM audit logs.

Detection Strategies

Inspect Oracle Fusion Middleware access logs for unauthenticated requests reaching OWSM policy management URIs.
Correlate WebLogic server logs with OWSM policy changes to identify activity lacking a legitimate administrative session.
Alert on outbound connections from OWSM hosts to unfamiliar destinations, which may indicate post-exploitation activity.

Monitoring Recommendations

Forward Oracle Fusion Middleware and WebLogic logs to a centralized SIEM for retention and correlation.
Baseline normal OWSM administrative traffic and alert on deviations in source IPs, request rates, or endpoint access patterns.
Enable Oracle audit policies covering policy attachment changes, credential store access, and keystore operations.

How to Mitigate CVE-2026-70924

Immediate Actions Required

Apply the fixes referenced in the Oracle Security Alert August 2026 to all affected OWSM deployments.
Inventory Fusion Middleware environments to identify OWSM instances running versions 12.2.1.4.0 and 14.1.2.0.0.
Restrict network exposure of OWSM endpoints to trusted management networks until patches are deployed.
Rotate credentials, keys, and certificates managed by OWSM if compromise is suspected.

Patch Information

Oracle addressed CVE-2026-70924 in the August 2026 Security Alert cycle. Administrators should download the applicable patches from My Oracle Support and follow Oracle's Fusion Middleware patching procedures. Refer to the Oracle Security Alert August 2026 advisory for the authoritative patch matrix.

Workarounds

Place OWSM behind a reverse proxy or web application firewall that enforces authentication on management endpoints.
Apply network segmentation to limit HTTPS access to OWSM from untrusted networks and the public internet.
Enforce strict TLS mutual authentication for clients connecting to Web Services Security endpoints where feasible.

bash

# Example: restrict OWSM endpoint access at the network layer
# Replace <TRUSTED_CIDR> with your management network range
iptables -A INPUT -p tcp --dport 443 -s <TRUSTED_CIDR> -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP