CVE-2026-83463

Unauthenticated server takeover from adjacent segment

Published Sep 15, 2026 · Updated Sep 15, 2026

Unspecified flaw in Oracle Mobile Application Server 12.2.3 through 12.2.15 allows physically proximate attackers to take over the server. Oracle has not published the operation performed incorrectly by the MWA Terminal Server or the input that reaches it. Exploitation requires unauthenticated access to the adjacent physical communication segment and grants control affecting server data and availability.

CVSS severity7.5
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unspecified flaw in Oracle Mobile Application Server 12.2.3 through 12.2.15 allows physically proximate attackers to take over the server. Oracle has not published the operation performed incorrectly by the MWA Terminal Server or the input that reaches it. Exploitation requires unauthenticated access to the adjacent physical communication segment and grants control affecting server data and availability.

The record

CVE
CVE-2026-83463
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle
Product
Oracle Mobile Application Server
Classifications
Unavailable
Attack vector
adjacent
Privileges
unauthenticated

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

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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=12.2.3 <=12.2.15

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Oracle · Oracle Mobile Application Serverversion=12.2.3 <=12.2.15

Published CVSS scores

7.5OracleCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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)
Vectoradjacent
Privilegesunauthenticated
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

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Your stack

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