CVE-2026-35270: Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server)

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CRITICAL 9.1DOWNGRADE

CVE-2026-35270 is a critical-severity flaw (CVSS 9.1) affecting webcenter content. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebCenter Content. While the vulnerability is in Oracle WebCenter Content, attacks may significantly impact additional products (scope change). Successf

Why this priority

Critical severity

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

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-17
Last modified	2026-10-25

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-17 10:40 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle webcenter content 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-content || rpm -q webcenter-content || webcenter-content --version

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

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

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

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

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-2026-35270?

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

Is CVE-2026-35270 being exploited?

CVE-2026-35270 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-2026-35270 affect?

CVE-2026-35270 affects webcenter content. Severity is critical (CVSS 9.1). Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows high privileged att

How urgent is CVE-2026-35270?

Priority 42/100. Critical severity

Related CVEs

CVE-2026-35286 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server)
CVE-2026-35319 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server)
CVE-2026-46783 CRITICAL 9.8 DOWNGRADE Vulnerability in the WebCenter Content: Imaging product of Oracle Fusion Middleware (component: Core)
CVE-2026-46766 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server)
CVE-2026-46813 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server)

References

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