Vulnerability · CVE-2026-73883
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).
Published Aug 18, 2026 · catalog updated Oct 22, 2026 · Vulnerability in the Helidon
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-73883. EPSS is 0.44%. Act only if a listed version of Vulnerability in the Helidon is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Vulnerability in the Helidon).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-73939 · High
- CVE-2026-73938 · High
- CVE-2026-73937 · High
- CVE-2026-73936 · High
- CVE-2026-73935 · High
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.44%
- Remediation
- Advisory link
- Affected products
- cpe oracle/helidon
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe oracle/helidon3.2.18
How to fix CVE-2026-73883
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 3.2.18
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-73883. EPSS is 0.44%. Act only if a listed version of Vulnerability in the Helidon is installed.
Which versions are affected?
Compare what you have installed with 3.2.18. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 18, 2026 · NIST NVD
Detected
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon a
Oct 22, 2026 · NIST NVD
Updated
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon a
Sources
- CVE.orgVulnerability recordCVE-2026-73883
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-73883
30-day exploitation probability 0.44%
first.org - NIST NVDVulnerability recordCVE-2026-73883
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Succe
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- NIST NVDOct 22, 2026