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CVE-2026-61029: Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites)

45
This month
CRITICAL 9.0REMOTEDOWNGRADE

CVE-2026-61029 is a critical-severity flaw (CVSS 9.0) affecting webcenter sites. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.0 (Critical)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.4% (top 68%)
CISA exploited listNo
WeaknessCWE-284
Published2026-08-18
Last modified2026-10-22
Publisher (CNA): Oracle · Vendor: oracle

Am I affected?

Timeline

oracle webcenter sites 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-sites || rpm -q webcenter-sites || webcenter-sites --version
2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)
apt-cache madison webcenter-sites sudo apt install webcenter-sites=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold webcenter-sites
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list webcenter-sites sudo dnf downgrade webcenter-sites-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add webcenter-sites
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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · uv · FIXED · 0.13.5-1.fc46 · FEDORA-2026-61ea5a28c6 · source
sudo dnf upgrade --advisory=FEDORA-2026-61ea5a28c6
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-2026-61029?

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

Is CVE-2026-61029 being exploited?

CVE-2026-61029 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-2026-61029 affect?

CVE-2026-61029 affects webcenter sites. Severity is critical (CVSS 9.0). Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated at

How urgent is CVE-2026-61029?

Priority 45/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

References

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