CVE-2026-60915Network attack vector

Unauthenticated read and write access to application data

Published Aug 18, 2026 · Updated Aug 18, 2026

Improper access control in Oracle Helidon 4.5.0 Imperative Web Server allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the concrete code locus or wrong operation responsible for the access-control failure. Exploitation requires unauthenticated HTTP network access and high-complexity conditions; success exposes, creates, deletes, or modifies Helidon-accessible data.

CVSS severity7.4
High
EPSS probability0.32%
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 Helidon 4.5.0 Imperative Web Server allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the concrete code locus or wrong operation responsible for the access-control failure. Exploitation requires unauthenticated HTTP network access and high-complexity conditions; success exposes, creates, deletes, or modifies Helidon-accessible data.

The record

CVE
CVE-2026-60915
Published
Aug 18, 2026
Updated
Aug 18, 2026
Vendor
Oracle Corporation
Product
Helidon
Classifications
CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 18, 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=4.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Helidonversion=4.5.0

Published CVSS scores

7.4Oracle CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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