CVE-2026-83488Network attack vectorHinoki check available

Authenticated data disclosure and modification

Published Sep 15, 2026 · Updated Sep 15, 2026

Oracle Helidon 4.0.0 through 4.5.4 allows remote authenticated users to read and modify application data through HTTP. Oracle identifies helidon-microprofile-security as the affected component but has not published the faulty code path or input-handling operation. A low-privileged account and network access to the application's HTTP interface are required; impact is limited to a subset of readable data and some update, insert, or delete operations.

CVSS severity5.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Oracle Helidon 4.0.0 through 4.5.4 allows remote authenticated users to read and modify application data through HTTP. Oracle identifies helidon-microprofile-security as the affected component but has not published the faulty code path or input-handling operation. A low-privileged account and network access to the application's HTTP interface are required; impact is limited to a subset of readable data and some update, insert, or delete operations.

The record

CVE
CVE-2026-83488
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle Corporation
Product
Helidon
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=4.0.0 <=4.5.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Helidonversion=4.0.0 <=4.5.4

Published CVSS scores

5.4Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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.

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

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo