CVE-2026-61140: Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
An unauthenticated attacker who can reach Oracle WebCenter Sites over HTTP may take complete control of the application. Oracle identifies supported version 14.1.2.0.0 as affected. Successful compromise could expose information, alter content or configuration, and disrupt service.
Executive priority
Treat as an immediate remediation priority, especially for externally reachable systems. Assign ownership, establish exposure quickly, and follow Oracle's advisory. Complete application takeover and potential loss of confidentiality, integrity, and availability justify urgent action even without confirmed exploitation.
Technical view
CVE-2026-61140 is an access-control and missing-authentication vulnerability associated with CWE-284 and CWE-306. It is remotely reachable over HTTP, requires low complexity, no privileges, and no user interaction. Its CVSS 3.1 score is 9.8, reflecting high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited by the supplied evidence to Oracle WebCenter Sites 14.1.2.0.0. Internet-facing or broadly network-accessible deployments present the greatest concern because exploitation requires only HTTP reachability. The sources do not identify other affected versions or products.
Exploitation context
The vulnerability is described as easily exploitable and capable of application takeover. However, the source bundle marks KEV false and provides no evidence of active exploitation, public proof-of-concept code, or observed attacks. Exploitation status should therefore be treated as unconfirmed.
Researcher notes
The supplied record does not disclose the vulnerable endpoint, root cause, patch identifier, affected configuration, or detection signatures. Avoid assuming broader version impact. Defensive research should focus on authenticated inventory, HTTP exposure mapping, vendor-advisory review, and non-invasive log analysis.
Mitigation direction
Review Oracle's July 2026 Critical Patch Update guidance for the vendor-approved remediation.
Identify and prioritize every Oracle WebCenter Sites 14.1.2.0.0 deployment.
Limit HTTP access to trusted networks where operationally feasible until vendor guidance is implemented.
Increase monitoring for unexpected administrative, content, configuration, or authentication-related activity.
Validation and detection
Confirm deployed Oracle WebCenter Sites versions using authoritative asset and configuration records.
Determine whether each affected instance is reachable from the internet or untrusted networks.
Verify that Oracle's applicable remediation guidance has been implemented successfully.
Review relevant HTTP and application logs for suspicious unauthenticated access or unexpected changes.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-284 · source CWE mapping
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.