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CVE-2026-60438 – Unauthenticated Data Access and Modification via mod_ssl – Oracle HTTP Server 12…

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Summary

CVE-2026-60438 is a critical vulnerability in the mod_ssl component of Oracle HTTP Server (Oracle Fusion Middleware), affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw is easily exploitable over the network without authentication, allowing remote attackers to gain unauthorized read access to critical data as well as the ability to create, modify, or delete it. It was published on July 21, 2026 as part of Oracle’s July 2026 Critical Patch Update, carrying a CVSS 3.1 base score of 9.1 (Critical).

Technical details

  • Affected component: mod_ssl within Oracle HTTP Server (Oracle Fusion Middleware)
  • Root cause: An exploitable flaw in the mod_ssl component that can be triggered by an unauthenticated remote attacker over HTTP
  • Trigger conditions: Requires only network access to an exposed Oracle HTTP Server instance; no credentials or user interaction are needed
  • Attack vector: Network-accessible, low complexity, no privileges required, no user interaction
  • Impact: Successful exploitation grants an attacker unauthorized access to critical data (HIGH Confidentiality impact) and the ability to create, modify, or delete critical data (HIGH Integrity impact); availability is not impacted per the CVSS vector

Affected software

  • Oracle HTTP Server 12.2.1.4.0
  • Oracle HTTP Server 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:H/I:H/A:N

Mitigation and recommended actions

  • Immediate: Apply Oracle’s July 2026 Critical Patch Update (CPU), which contains the official fix for CVE-2026-60438. Oracle does not publish patched product version numbers separately; the CPU patch bundle is the authoritative remediation vehicle.
  • If patching is not immediately feasible: Restrict network access to Oracle HTTP Server instances at the perimeter — limit inbound HTTP/HTTPS traffic to trusted sources only, and ensure Oracle HTTP Server is not directly exposed to the public internet until the patch is applied.
  • Monitor Oracle’s support portal and My Oracle Support (MOS) for any supplemental patch notes or workaround guidance specific to your deployment.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

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)

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2

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4

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6

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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.

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