EUVD-2026-61304
GHSA-g9qp-r4q4-9pw7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Unauthenticated remote HTTP exploitation with low complexity (AV:N/AC:L/PR:N/UI:N); high confidentiality and integrity impact but no availability effect, matching a data-access authentication bypass.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Sites accessible data as well as unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
AnalysisAI
Full read/write compromise of Oracle WebCenter Sites is possible by remote, unauthenticated attackers over HTTP against versions 12.2.1.4.0 and 14.1.2.0.0. Oracle rates the flaw CVSS 9.1 and describes it as easily exploitable, granting an attacker unauthorized creation, deletion, and modification of critical data plus full read access to all WebCenter Sites accessible data, though availability is unaffected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation over HTTP against Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 (AV:N/AC:L/PR:N/UI:N), per Oracle's 'easily exploitable' characterization. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue rather than an inflated high-CVSS score: the vector AV:N/AC:L/PR:N/UI:N describes remote, low-complexity, unauthenticated exploitation with no user interaction, and Oracle itself calls it 'easily exploitable.' The 9.1 score is driven by high confidentiality and integrity impact with no availability impact (S:U), consistent with a data compromise / authentication-bypass class of bug. … 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 the fixes delivered in the Oracle August 2026 Critical Patch Update (Patch available per vendor advisory: https://www.oracle.com/security-alerts/cspuaug2026.html) to the affected 12.2.1.4.0 and 14.1.2.0.0 installations; the input does not name a discrete patched build number, so treat the CPU bundle for WebCenter Sites as the fix and confirm the exact patch ID against My Oracle Support. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle WebCenter Sites deployments, identify affected versions 12.2.1.4.0 and 14.1.2.0.0, and assess network exposure to untrusted users. …
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
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