CVE-2026-62628: Oracle Reports Developer Auth Bypass Flaw

CVE-2026-62628 Overview

CVE-2026-62628 is a network-exploitable vulnerability in the Oracle Reports Developer component of Oracle Fusion Middleware. The flaw resides in the Security and Authentication subsystem of version 12.2.1.19.0. Unauthenticated attackers can compromise Oracle Reports Developer over TCP without user interaction. Successful exploitation results in unauthorized access to critical data or complete access to all data reachable by Oracle Reports Developer. The vulnerability carries a scope change, meaning exploitation can affect resources beyond the vulnerable component itself. Oracle disclosed the issue in the Oracle Security Alert of August 2026.

Critical Impact
Remote, unauthenticated attackers can read confidential data across Oracle Reports Developer and adjacent systems affected by the scope change.

Affected Products

Oracle Fusion Middleware
Oracle Reports Developer
Oracle Reports Developer version 12.2.1.19.0

Discovery Timeline

2026-08-18 - CVE-2026-62628 published to the National Vulnerability Database
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-62628

Vulnerability Analysis

The vulnerability affects the Security and Authentication component of Oracle Reports Developer, a reporting engine within Oracle Fusion Middleware. Oracle classifies the issue as easily exploitable over the network without authentication or user interaction. The CVSS vector indicates confidentiality-only impact, with no direct effect on integrity or availability. The scope change means an attacker exploiting Oracle Reports Developer can gain access to data controlled by other security authorities in the environment. This behavior is typical of authentication or authorization gaps that expose downstream services trusted by the reporting tier. Exploitation can yield unauthorized disclosure of business-critical report data, session material, or credentials handled by the reporting server.

Root Cause

Oracle's advisory places the flaw in the Security and Authentication component of Oracle Reports Developer. The root cause is not publicly detailed, but the CVSS profile is consistent with a broken access control or authentication bypass condition [CWE-287, CWE-284]. The lack of required privileges suggests the reporting service exposes an interface that fails to validate the caller before returning data. Refer to the Oracle Security Alert August 2026 for authoritative details.

Attack Vector

Attackers reach the vulnerability over TCP-based network access to the Oracle Reports Developer service. No credentials, prior foothold, or user interaction are required. The attacker sends crafted requests to the exposed reporting endpoint and retrieves data the service can access. Because the vulnerability produces a scope change, the compromised confidentiality boundary extends beyond Oracle Reports Developer to other components trusted by that service.

No verified proof-of-concept code is publicly available. See the Oracle Security Alert August 2026 for vendor technical detail.

Detection Methods for CVE-2026-62628

Indicators of Compromise

Unauthenticated HTTP or TCP requests to Oracle Reports Developer endpoints from unexpected source addresses.
Report-server responses returning data to sessions that lack a preceding authentication event.
Access to report definitions, output files, or connection strings by unknown clients.

Detection Strategies

Inspect Oracle Reports Developer access logs for report execution or metadata requests without a valid authenticated session identifier.
Correlate reporting-service traffic with authentication logs to flag requests that bypass the login flow.
Alert on outbound data transfers from the reporting tier to external addresses following anomalous inbound requests.

Monitoring Recommendations

Restrict network reachability of Oracle Reports Developer to trusted management subnets and monitor for policy violations.
Enable verbose audit logging on the Security and Authentication component and forward events to a centralized SIEM.
Baseline normal report-execution volume and alert on statistically significant deviations that may indicate data harvesting.

How to Mitigate CVE-2026-62628

Immediate Actions Required

Apply the patches referenced in the Oracle Security Alert August 2026 to all Oracle Reports Developer 12.2.1.19.0 deployments.
Inventory internet-exposed Oracle Fusion Middleware hosts and remove public reachability where possible.
Rotate credentials, connection strings, and report-server secrets that may have been exposed to the reporting tier.

Patch Information

Oracle issued fixes as part of the August 2026 Security Alert cycle. Administrators must apply the vendor-supplied patch for Oracle Reports Developer 12.2.1.19.0 from the Oracle Security Alert August 2026. No supported workaround replaces installing the patch.

Workarounds

Place Oracle Reports Developer behind an authenticating reverse proxy or web application firewall that enforces identity before requests reach the service.
Restrict TCP access to the reporting service using host-based firewalls and network ACLs limited to approved application tiers.
Disable unused Oracle Reports Developer listeners and administrative endpoints until patching is complete.

bash

# Example iptables restriction limiting Oracle Reports Developer access to an application subnet
iptables -A INPUT -p tcp --dport 7002 -s 10.20.30.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 7002 -j DROP