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CVE-2026-60306 Oracle CVE debrief

A critical vulnerability was discovered in Oracle Coherence, a product of Oracle Fusion Middleware. The vulnerability, tracked as CVE-2026-60306, affects multiple versions of Oracle Coherence, including 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. This easily exploitable vulnerability allows unauthenticated attackers with network access via TCP to compromise Oracle Coherence, potentially leading to a takeover of the system. The vulnerability has a high impact on confidentiality, integrity, and availability, and is considered critical.

Vendor
Oracle
Product
Coherence
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-27
Advisory published
2026-07-21
Advisory updated
2026-07-27

Who should care

Organizations using Oracle Coherence versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 should prioritize patching this vulnerability to prevent potential system takeovers. Additionally, security teams and vulnerability management teams should be aware of the vulnerability and take steps to mitigate it.

Technical summary

The vulnerability in Oracle Coherence has a CVSS 3.1 Base Score of 9.8, indicating a critical severity level. The CVSS Vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, highlighting the high impact on confidentiality, integrity, and availability. The vulnerability is caused by a weakness in the Core component of Oracle Coherence. This vulnerability allows unauthenticated attackers with network access via TCP to compromise Oracle Coherence, potentially leading to a takeover of the system.

Defensive priority

High

Recommended defensive actions

  • Apply the latest security patches provided by Oracle to vulnerable versions of Oracle Coherence.
  • Implement network access controls to restrict access to Oracle Coherence.
  • Monitor Oracle Coherence systems for suspicious activity.
  • Consider compensating controls, such as Web Application Firewalls, to detect and prevent exploitation attempts.
  • Review and update asset inventory to ensure all affected systems are accounted for.
  • Track exceptions and retest remediated assets to ensure the vulnerability is properly mitigated.
  • Perform regular security audits to identify potential vulnerabilities and address them before they can be exploited.

Evidence notes

The CVE record was published on 2026-07-21T22:17:33.263Z and was last modified on 2026-07-27T20:20:59.953Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects multiple versions of Oracle Coherence, including 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. The CVE record and NVD entry provide additional context and details about the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-60306 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-60306

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-60306 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-60306

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.