CVE-2026-62492: Oracle Hyperion Auth Bypass Vulnerability

CVE-2026-62492 Overview

CVE-2026-62492 is a high-severity vulnerability in the Oracle Hyperion Infrastructure Technology product, specifically within the Common Security component. The affected supported version is 11.2.25.0.000. An unauthenticated attacker with network access via HTTPS can compromise the product, though exploitation is rated as difficult. Successful attacks can lead to unauthorized creation, deletion, or modification of critical data, along with unauthorized read access to all Oracle Hyperion Infrastructure Technology accessible data. Oracle disclosed the issue in the August 2026 Critical Security Patch Update.

Critical Impact
Unauthenticated network attackers can achieve unauthorized access to critical data and modify or delete all data accessible to Oracle Hyperion Infrastructure Technology.

Affected Products

Oracle Hyperion Infrastructure Technology 11.2.25.0.000
Component: Common Security
Access protocol: HTTPS

Discovery Timeline

2026-08-18 - CVE-2026-62492 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-62492

Vulnerability Analysis

CVE-2026-62492 resides in the Common Security component of Oracle Hyperion Infrastructure Technology. The flaw permits an unauthenticated remote attacker to interact with the Common Security subsystem over HTTPS and reach protected data and administrative operations. Oracle characterizes the attack complexity as high, meaning the attacker must satisfy specific preconditions to reliably trigger the flaw. Impacts affect both confidentiality and integrity, while availability is not affected.

Root Cause

Oracle has not published root-cause specifics beyond the advisory summary. The vulnerability is located in the Common Security component, which handles authentication, authorization, and shared security services across Hyperion Infrastructure Technology deployments. A weakness in this component allows security controls to be bypassed without valid credentials. Refer to the Oracle Security Alert for vendor-supplied technical detail.

Attack Vector

The attack vector is network-based over HTTPS. No authentication or user interaction is required. The attacker sends crafted requests to an exposed Hyperion Infrastructure Technology endpoint to trigger the flawed code path in Common Security. On success, the attacker gains read access to critical data and can create, modify, or delete records accessible through the affected service. The EPSS probability is 0.341%, reflecting the difficult exploitation profile at time of publication.

No public proof-of-concept or exploit code has been released. Technical details beyond Oracle's summary are not publicly documented.

Detection Methods for CVE-2026-62492

Indicators of Compromise

Unexpected HTTPS requests to Oracle Hyperion Infrastructure Technology endpoints from untrusted or external sources
Unauthenticated sessions performing read, create, update, or delete operations against Common Security-protected resources
Anomalous modifications to Hyperion configuration, security policies, or user records without corresponding administrative activity

Detection Strategies

Enable verbose audit logging on Oracle Hyperion Infrastructure Technology and forward events to a centralized SIEM for correlation
Baseline normal Hyperion HTTPS request patterns and alert on anomalous URI paths, request volumes, or off-hours access
Correlate application-layer logs with network flow data to identify unauthenticated external access to internal Hyperion services

Monitoring Recommendations

Monitor Common Security component logs for authorization decisions that succeed without an associated authentication event
Track integrity-sensitive operations, including changes to user roles, security policies, and shared services metadata
Alert on new or unexpected TLS client connections to Hyperion Infrastructure Technology hosts from outside defined administrative subnets

How to Mitigate CVE-2026-62492

Immediate Actions Required

Inventory all Oracle Hyperion Infrastructure Technology deployments and confirm whether version 11.2.25.0.000 is in use
Apply the August 2026 Oracle Critical Security Patch Update as soon as change windows allow
Restrict network access to Hyperion Infrastructure Technology HTTPS endpoints to trusted management networks only
Review audit logs for signs of unauthenticated access prior to patching

Patch Information

Oracle addressed CVE-2026-62492 in the August 2026 Critical Security Patch Update. Administrators should download and install the applicable patch bundle from My Oracle Support. Full details, patch availability, and affected version information are provided in the Oracle Security Alert.

Workarounds

Place Oracle Hyperion Infrastructure Technology behind a reverse proxy or web application firewall that enforces authentication before requests reach Common Security
Block external network access to Hyperion HTTPS ports at the perimeter firewall until patching is complete
Enforce strict network segmentation so only authorized administrative hosts can reach Hyperion services

bash

# Example: restrict inbound HTTPS to Hyperion to a management subnet using iptables
iptables -A INPUT -p tcp --dport 443 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP