CVE-2026-83046: Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools)

Routine

HIGH 7.1DOWNGRADE

CVE-2026-83046 is a high-severity flaw (CVSS 7.1) affecting webcenter portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Po

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-09-15
Last modified	2026-09-21

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-09-21 · 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
2026-09-21 18:07 UTCUpdated Record last modified

oracle webcenter portal DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.4.0

1. Check installed version

apt-cache policy webcenter-portal || rpm -q webcenter-portal || webcenter-portal --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)

apt-cache madison webcenter-portal sudo apt install webcenter-portal=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold webcenter-portal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list webcenter-portal sudo dnf downgrade webcenter-portal-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add webcenter-portal

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-2026-83046?

webcenter portal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-83046 being exploited?

CVE-2026-83046 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-2026-83046 affect?

CVE-2026-83046 affects webcenter portal. Severity is high (CVSS 7.1). Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attack

How urgent is CVE-2026-83046?

Priority 33/100. High severity

Related CVEs

CVE-2026-46803 CRITICAL 10.0 DOWNGRADE Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framewor
CVE-2026-46845 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framewor
CVE-2026-46846 CRITICAL 10.0 DOWNGRADE Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framewor
CVE-2026-46765 CRITICAL 9.9 DOWNGRADE Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer)
CVE-2026-46767 CRITICAL 9.9 DOWNGRADE Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer)

References

← Back to latest CVEs