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CVE-2026-62638 – Unauthenticated RCE-level Data Manipulation & DoS – Oracle Reports Developer 14.1.2

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Summary

CVE-2026-62638 is a critical vulnerability in the Security and Authentication component of Oracle Reports Developer (Oracle Fusion Middleware). It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized creation, deletion, or modification of accessible data and complete denial of service through hangs or repeated crashes. Oracle rates the flaw as easily exploitable and CRITICAL, with a CVSS 3.1 base score of 9.1.

Technical details

  • Root cause: A flaw in the Security and Authentication component of Oracle Reports Developer that permits unauthorized operations without valid credentials.
  • Trigger conditions: The vulnerability is remotely exploitable over HTTP and does not require authentication or user interaction.
  • Attack vector: Network-based (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N).
  • Impact: High integrity impact (unauthorized data creation/deletion/modification) and high availability impact (denial of service via hangs or crashes); no confidentiality impact.

Affected software

  • Oracle Reports Developer, version 14.1.2.0.0

Severity

  • CVSS v3.1 Base Score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the Oracle Critical Security Patch Update (CSPU) released August 18, 2026, which addresses CVE-2026-62638 for Oracle Reports Developer 14.1.2.0.0.
  • If patching cannot be applied immediately: Restrict network access to Oracle Reports Developer HTTP endpoints (e.g., the Reports Server servlet) to trusted internal networks only, and monitor for anomalous unauthenticated requests to Reports Developer components until the patch can be deployed.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw response body: href="/reports/rwservlet

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

Are you exposed?

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  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report
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