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CVE Record

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).

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

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.
Prepared
Confidence
high
Sources
3

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.

Open ATT&CK lookup
cwe · medium confidence lookup

CWE-306: Credential and account abuse lookup

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-61140 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9oracle

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2026-61140Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationOracle WebCenter Sites14.1.2.0.0Listed
Weakness

CWE details

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.

CWE-306 · source CWE mapping

Missing Authentication for Critical Function

Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.