Unauthenticated read and write access
Published Aug 18, 2026 · Updated Aug 28, 2026
Helidon 3.0.0 through 3.2.17 allows remote attackers to read, create, delete, or modify accessible data via HTTP. Oracle has not disclosed the vulnerable function, request field, or incorrect operation in the Imperative Web Server. Exploitation requires no authentication or user interaction and compromises the confidentiality and integrity of critical or all data available to the affected service.
Summary
What happened
Helidon 3.0.0 through 3.2.17 allows remote attackers to read, create, delete, or modify accessible data via HTTP. Oracle has not disclosed the vulnerable function, request field, or incorrect operation in the Imperative Web Server. Exploitation requires no authentication or user interaction and compromises the confidentiality and integrity of critical or all data available to the affected service.
The record
- CVE
- CVE-2026-73916
- Published
- Aug 18, 2026
- Updated
- Aug 28, 2026
- Vendor
- Oracle Corporation
- Product
- Helidon
- Classifications
- T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 18, 2026CVE publishedPublication date reported by the CVE source.
- Aug 28, 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=3.0.0 <=3.2.17
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
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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