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CVE-2026-60303 Oracle CVE debrief

A vulnerability was discovered in Oracle Coherence, a product of Oracle Fusion Middleware, specifically in the Core component. The vulnerability is rated as MEDIUM with a CVSS score of 4.3 and allows a low-privileged attacker with network access via HTTP to compromise Oracle Coherence, potentially leading to a partial denial of service (partial DOS). The affected versions are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. The vulnerability has a CVSS Vector of (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

Vendor
Oracle
Product
Coherence
CVSS
MEDIUM 4.3
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

Administrators and users of 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 be aware of this vulnerability and take necessary precautions. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is located in the Core component of Oracle Coherence. It has a CVSS Vector of (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L), indicating that it can be easily exploited by a low-privileged attacker with network access via HTTP, potentially leading to a partial denial of service (partial DOS) of Oracle Coherence. The vulnerability affects Oracle Coherence versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it can be exploited by a low-privileged attacker with network access.

Recommended defensive actions

  • Apply the patches provided by Oracle as soon as possible.
  • Restrict network access to Oracle Coherence to only necessary personnel.
  • Monitor Oracle Coherence logs for potential exploitation attempts.
  • Consider implementing additional security controls, such as web application firewalls or intrusion detection systems.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-07-21T22:17:32.930Z and was last modified on 2026-07-27T20:21:58.930Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Oracle Coherence versions 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 further details.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:32.930Z and has not been modified since then. The NVD entry is currently Analyzed.