What is the CVSS score of CVE-2026-70991?

CVE-2026-70991 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Oracle Commerce CVE-2026-70991

EUVD-2026-61938 MEDIUM

Improper Access Control (CWE-284)

2026-08-18 secalert_us@oracle.com

GHSA-5hp4-hfx9-wxv6

Authentication Bypass Oracle Commerce Experience Manager Commerce Guided Search

6.3

CVSS 3.1 · Vendor: oracle

Severity by source

Vendor (oracle) PRIMARY

6.3 MEDIUM

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

vuln.today AI

6.3 MEDIUM

Local infrastructure access required with no app credentials (PR:N); UI:R and S:C reflect mandatory third-party interaction and cross-system confidentiality spillover; no integrity or availability impact observed.

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

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Aug 19, 2026 - 04:58 vuln.today

DescriptionCVE.org

Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Content Acquisition System). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Commerce Guided Search / Oracle Commerce Experience Manager executes to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Commerce Guided Search / Oracle Commerce Experience Manager, 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 Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N).

AnalysisAI

Oracle Commerce Guided Search and Experience Manager version 11.4.0 exposes a local confidentiality vulnerability in its Content Acquisition System (CAS) component that allows an unauthenticated infrastructure-level attacker to bypass application-layer authentication and obtain complete read access to all Oracle Commerce accessible data, including critical confidential records. The scope change designation in the CVSS vector (S:C) indicates successful exploitation can cascade beyond the Commerce platform itself, impacting additional co-located or integrated products. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation	The attacker must have OS-level logon access to the infrastructure where Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0 is executing - this is an infrastructure-local attack, not remotely exploitable over a network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 3.1 base score of 6.3 reflects a moderate-to-medium priority issue, tempered by the local attack vector (AV:L) which requires attacker presence on the hosting infrastructure. … 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 August 2026 Critical Patch Update, referenced at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.