CVE-2026-35306Network attack vector

Unauthenticated data access and modification via HTTP

Published Jun 16, 2026 · Updated Jun 16, 2026

Improper access control in Oracle Coherence 15.1.1.0.0 allows remote attackers to read critical data and modify some data over HTTP. Oracle identifies the affected component only as Centralized Third Party Jars and has not disclosed the faulty operation or request path. No authentication or user interaction is required; impact is limited to disclosure of Coherence-accessible data and partial data modification, with no service interruption reported.

CVSS severity9.3
Critical
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Oracle Coherence 15.1.1.0.0 allows remote attackers to read critical data and modify some data over HTTP. Oracle identifies the affected component only as Centralized Third Party Jars and has not disclosed the faulty operation or request path. No authentication or user interaction is required; impact is limited to disclosure of Coherence-accessible data and partial data modification, with no service interruption reported.

The record

CVE
CVE-2026-35306
Published
Jun 16, 2026
Updated
Jun 16, 2026
Vendor
Oracle
Product
Oracle Coherence
Classifications
CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 16, 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?

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  1. Affected versionversion=15.1.1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Oracle Coherenceversion=15.1.1.0.0

Published CVSS scores

9.3OracleCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1190Exploit Public-Facing Application

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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