Data disclosure to privileged local users
Published Aug 18, 2026 · Updated Aug 25, 2026
Information disclosure in Oracle Helidon 4.5.1 allows local users with high privileges to read all data accessible to Helidon. Oracle has not published the vulnerable code path or the access-control operation that exposes data in the Imperative Web Server. Exploitation requires high-privilege logon to the host where Helidon executes and affects confidentiality without reported data changes or interruption.
Summary
What happened
Information disclosure in Oracle Helidon 4.5.1 allows local users with high privileges to read all data accessible to Helidon. Oracle has not published the vulnerable code path or the access-control operation that exposes data in the Imperative Web Server. Exploitation requires high-privilege logon to the host where Helidon executes and affects confidentiality without reported data changes or interruption.
The record
- CVE
- CVE-2026-73880
- Published
- Aug 18, 2026
- Updated
- Aug 25, 2026
- Vendor
- Oracle Corporation
- Product
- Helidon
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Aug 18, 2026CVE publishedPublication date reported by the CVE source.
- Aug 25, 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.
- Affected versionversion=4.5.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
No sourced classifications are available.
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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