What is the CVSS score of CVE-2026-61199?

CVE-2026-61199 has a CVSS 3.1 base score of 7.7 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Which versions of Oracle WebCenter Portal are affected by CVE-2026-61199?

Oracle WebCenter Portal 14.1.2.0.0 contains an authentication bypass exposing sensitive data to any low-privileged user, with no vendor-released patch identified at time of analysis.

How to fix or mitigate CVE-2026-61199?

Within 24 hours: catalog all systems running Oracle WebCenter Portal 14.1.2.0.0 and identify integration points with Oracle Fusion Middleware to determine the scope of potential compromise. Immediately restrict network access to the Runtime Tools component via firewall rules, permitting connections only from documented administrative sources, and assess whether disabling Runtime Tools entirely is operationally feasible. Within 7 days: deploy Web Application Firewall rules to block exploitation attempts against the authentication bypass mechanism; conduct retrospective access log analysis covering the past 30 days to identify any suspicious activity or potential compromise. Within 30 days: contact Oracle directly for guidance on workarounds or patches, initiate evaluation of version upgrades to a fixed release, and establish a firm timeline for either remediation or system replacement to align with acceptable risk tolerance.

Oracle WebCenter Portal CVE-2026-61199

EUVD-2026-61328 HIGH

Improper Access Control (CWE-284)

2026-08-18 secalert_us@oracle.com

GHSA-f5g6-v297-cxv7

Authentication Bypass Oracle Webcenter Portal

7.7

CVSS 3.1 · Vendor: oracle

Severity by source

Vendor (oracle) PRIMARY

7.7 HIGH

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

vuln.today AI

7.7 HIGH

Network HTTP access requires only low privileges; scope change confirmed by Oracle's cross-product impact statement; confidentiality-only impact matches unauthorized data read with no write or availability effect.

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

4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Aug 19, 2026 - 04:05 vuln.today

CVE Published

Aug 18, 2026 - 21:16 nvd

HIGH 7.7

DescriptionCVE.org

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. While the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

AnalysisAI

Oracle WebCenter Portal 14.1.2.0.0 exposes critical confidential data through an authentication bypass in its Runtime Tools component, reachable by any low-privileged user over HTTP. Oracle explicitly classifies this as 'easily exploitable' and assigns a scope-change designation (S:C), meaning successful exploitation can spill over into additional Oracle Fusion Middleware products integrated with the portal. …

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Vulnerability AssessmentAI

Exploitation	Exploitation requires network access via HTTP to an Oracle WebCenter Portal 14.1.2.0.0 instance and a valid low-privileged portal account (PR:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 7.7 score is driven by a strong vector - AV:N/AC:L/PR:L/UI:N/S:C/C:H - confirming network-exploitable, low-complexity, scope-changing, confidentiality-critical impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation	Apply Oracle's Critical Security Patch Update for August 2026, referenced at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: catalog all systems running Oracle WebCenter Portal 14.1.2.0.0 and identify integration points with Oracle Fusion Middleware to determine the scope of potential compromise. …

Threat intelligence, references, and detailed analysis are available after sign-in.