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Unauthenticated RMI takeover in Oracle WebCenter Enterprise Capture Client Bundle

IdentifiersCVE-2026-46778

CVE-2026-46778 is a remotely exploitable vulnerability in Oracle WebCenter Enterprise Capture, specifically in the Client Bundle component of Oracle Fusion Middleware. Oracle lists supported affected versions as 12.2.1.4.0 and 14.1.2.0.0. The issue is reachable over RMI and is described as easily exploitable by an unauthenticated attacker with network access. Oracle states that successful exploitation can result in takeover of Oracle WebCenter Enterprise Capture. The advisory also notes scope change, meaning exploitation of the vulnerable WebCenter Enterprise Capture component may significantly impact additional products or components in the environment. No more specific vulnerable class, method, or root-cause details were provided in the supplied content.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthenticated remote attacker to fully compromise Oracle WebCenter Enterprise Capture. Oracle rates the issue CVSS 3.1 10.0 with high confidentiality, integrity, and availability impact and scope change (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H). In practical terms, this implies complete takeover of the affected product, including potential unauthorized access to sensitive data, modification of application state or content, disruption of service, and possible impact to additional connected products or trust boundaries due to the stated scope change.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure by blocking or tightly restricting the network protocols required for exploitation, specifically RMI access to the affected component, and by limiting unnecessary privileges or access to affected packages and services. Restrict network reachability to trusted management/application hosts only, using segmentation, firewall ACLs, and service exposure reduction. Oracle notes such mitigations may affect functionality, should be validated in non-production first, and are not substitutes for patching.

Remediation

Patch, then assume compromise.

Apply the Oracle June 2026 Critical Security Patch Update remediation for Oracle WebCenter Enterprise Capture. Affected supported versions identified in the supplied content are 12.2.1.4.0 and 14.1.2.0.0; organizations should update to the vendor-remediated release or corresponding security patch level provided by Oracle. Oracle also recommends remaining on actively supported versions and upgrading unsupported releases so security fixes are available. Review related Oracle Fusion Middleware patch dependencies and prior Oracle CPU/CSPU guidance where applicable.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
OracleWebcenter Enterprise Captureapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

1 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-46778
NVD
nvd.nist.gov/vuln/detail/CVE-2026-46778