CVE-2026-60303Network attack vector

Authenticated service interruption via undisclosed HTTP flaw

Published Jul 21, 2026 · Updated Jul 21, 2026

Resource consumption in Oracle Coherence Core allows remote authenticated users to interrupt service via HTTP in four supported releases. Oracle has not disclosed the Core endpoint, request field, or resource whose processing is left uncontrolled; only the HTTP attack path is public. Low-privileged access is required; versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 are affected, and the reported consequence is partial service interruption.

CVSS severity4.3
Medium
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource consumption in Oracle Coherence Core allows remote authenticated users to interrupt service via HTTP in four supported releases. Oracle has not disclosed the Core endpoint, request field, or resource whose processing is left uncontrolled; only the HTTP attack path is public. Low-privileged access is required; versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 are affected, and the reported consequence is partial service interruption.

The record

CVE
CVE-2026-60303
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle Corporation
Product
Oracle Coherence
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.2.1.4.0
  2. Affected versionversion=14.1.1.0.0
  3. Affected versionversion=14.1.2.0.0
  4. Affected versionversion=15.1.1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle Coherenceversion=12.2.1.4.0; version=14.1.1.0.0; version=14.1.2.0.0; version=15.1.1.0.0

Published CVSS scores

4.3Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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