CVE-2026-83465: Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Termi

Routine

HIGH 8.2UPGRADE

CVE-2026-83465 is a high-severity flaw (CVSS 8.2) affecting mobile application server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Mobile Application Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Mo

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-09-15
Last modified	2026-10-09

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-15 20:18 UTCPublished CVE record published
2026-10-09 15:15 UTCUpdated Record last modified

oracle mobile application server UPGRADE

Affected: >= 12.2.3 and <= 12.2.15

Fixed in: newer than 12.2.15

Safe to downgrade to: a release before 12.2.3

1. Check installed version

apt-cache policy mobile-application-server || rpm -q mobile-application-server || mobile-application-server --version

2. UPGRADE to newer than 12.2.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mobile-application-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mobile-application-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 12.2.3 (Debian / Ubuntu)

apt-cache madison mobile-application-server sudo apt install mobile-application-server=<VERSION_BEFORE_12.2.3> sudo apt-mark hold mobile-application-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mobile-application-server sudo dnf downgrade mobile-application-server-<VERSION_BEFORE_12.2.3> sudo dnf versionlock add mobile-application-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-83465?

mobile application server: upgrade to newer than 12.2.15. Exact commands for each OS are on this page.

Is CVE-2026-83465 being exploited?

CVE-2026-83465 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-83465 affect?

CVE-2026-83465 affects mobile application server. Severity is high (CVSS 8.2). Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated att

How urgent is CVE-2026-83465?

Priority 35/100. High severity

Related CVEs

CVE-2026-83464 HIGH 8.1 UPGRADE Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Termi
CVE-2026-83463 HIGH 7.5 UPGRADE Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Termi
CVE-2026-83462 CRITICAL 9.8 UPGRADE Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Termi
CVE-2026-83461 HIGH 8.2 UPGRADE Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Termi

References

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