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Oracle BI EE EUVDEUVD-2026-106776

| CVE-2026-91549 HIGH
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-10-20 secalert_us@oracle.com GHSA-282g-mxff-gg4q
7.8
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain local logon on OBIEE host
  2. Delivery
    Stage malicious crafted content
  3. Exploit
    Induce another user to interact
  4. Execution
    Trigger flaw in Analytics Server
  5. Impact
    Full OBIEE takeover (C/I/A)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Redirect URL validation
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires (1) the attacker to already hold a local OS-level logon on the host where Oracle Business Intelligence Enterprise Edition / Analytics Server runs (AV:L - this is NOT remotely reachable over the network), and (2) human interaction from a different, legitimate user on that system (UI:R) who must open or process attacker-supplied content. No OBIEE application credentials are needed (PR:N). The limiting factors that reduce real-world risk are therefore significant: an attacker must first breach the server host, and then successfully socially-engineer or wait for another user's action. Only the explicitly affected versions (8.2.0.0.0 and 12.2.1.4.0) are in scope; default-configuration details beyond these prerequisites are not specified by Oracle.

Impact

This is a genuinely high-impact but access-constrained vulnerability, and the signals are mostly consistent once Oracle's phrasing is decoded. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, base 7.8) shows a local attack vector with low complexity, no application-level authentication (PR:N), but requiring user interaction (UI:R). Oracle's own description reinforces this: the attacker must have 'logon to the infrastructure where Oracle Business Intelligence Enterprise Edition executes' (i.e., a local foothold on the host) and 'successful attacks require human interaction from a person other than the attacker.' There is a subtle tension worth flagging: the CVSS vector lists PR:N (unauthenticated) yet the description says the attacker needs OS-level logon to the server - meaning no OBIEE application credentials are needed, but local host access IS a hard prerequisite. The full C:H/I:H/A:H with 'takeover' outcome is the serious part. On the exploitation-likelihood side, there is NO EPSS score provided, NO CISA KEV listing, and NO public POC in the supplied data, so there is no public exploit identified at time of analysis. The combination (local vector + required victim interaction + no exploitation evidence) places this below internet-facing RCE priorities: it is a real, patch-worthy issue for organizations running the affected OBIEE versions, but not a drop-everything emergency absent evidence of active exploitation. Treat as a standard-priority item within the Oracle October 2026 CPU patch cycle, prioritized higher where untrusted users share the OBIEE host.

Exploit ScenarioDerived

An attacker who already has a local (OS-level) login on the server hosting Oracle Business Intelligence Enterprise Edition stages malicious crafted content and induces a legitimate OBIEE user or operator on that host to open or process it. The victim's interaction triggers the flaw in the Analytics Server component, allowing the attacker to compromise and take over the OBIEE instance with full confidentiality, integrity, and availability impact. No public exploit code was identified in the provided data, and exploitation depends on both local access and successful social engineering of another user.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 20, 2026

Takeover of Oracle Business Intelligence Enterprise Edition 8.2.0.0.0 and 12.2.1.4.0 is possible when an attacker who already holds a local OS-level logon on the Analytics Server host can get a different user to open or process attacker-supplied content. The CVSS 3.1 score is 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), meaning no OBIEE application credentials are needed, but host access and user interaction are hard prerequisites. No public exploit code or CISA KEV entry was identified at time of analysis.

RemediationAI

Apply the Oracle Critical Patch Update fixes referenced in the cpuoct2026 advisory for Oracle Business Intelligence Enterprise Edition 8.2.0.0.0 and 12.2.1.4.0; exact patched build numbers are not specified in the provided data. Until the vendor patch is applied, restrict interactive OS logon to the Analytics Server host to a minimal set of trusted administrators and required service accounts, and monitor those sessions with EDR or session recording - this reduces exposure to the AV:L prerequisite but may complicate maintenance and support workflows. Remove unnecessary local accounts and enforce least privilege so that a compromised low-privilege user cannot easily satisfy the host-logon requirement. For users who process content on the server, disable automatic opening of untrusted files and reinforce social-engineering awareness - this lowers UI:R exposure but is not a complete technical control. Segment and monitor the OBIEE host for anomalous local sessions and content-processing activity.

Affected VersionsENISA

Oracle Business Intelligence Enterprise Edition 8.2.0.0.0
Oracle Business Intelligence Enterprise Edition 12.2.1.4.0

Affected Packages

euvd oracle_business_intelligence_enterprise_edition no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The issue affects the Analytics Server component of Oracle Analytics / Oracle Business Intelligence Enterprise Edition. Oracle does not provide a CWE in the supplied data, so the root-cause class is not formally mapped; the CVSS vector shows a low-complexity local attack (AV:L/AC:L) that requires no OBIEE application credentials (PR:N) but depends on a non-attacker user performing an action (UI:R). Because PR:N is paired with AV:L, the absence of application authentication should not be read as network-reachable unauthenticated exploitation: the attacker must first obtain an OS-level logon on the infrastructure hosting OBIEE. Successful exploitation has high confidentiality, integrity, and availability impact and can lead to takeover of the OBIEE deployment per Oracle. CPE identifiers were not provided.

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Severity by source

Vendor (oracle) PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI 7.8 HIGH

AV:L and UI:R reflect Oracle's stated need for host logon plus another user's interaction; PR:N because no OBIEE app auth is required; C/I/A:H for full product takeover.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/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
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: Analytics Server). Supported versions that are affected are 8.2.0.0.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Business Intelligence Enterprise Edition executes to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Business Intelligence Enterprise Edition. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle Business Intelligence Enterprise Edition 8.2.0.0.0 and 12.2.1.4.0 carry a high-severity flaw enabling takeover of the analytics platform by an attacker who already holds a local OS logon on the Analytics Server host and persuades another user to open crafted content. Because OBIEE typically houses sensitive enterprise reporting and decision-support data, a successful compromise could expose or corrupt business-critical information and erode trust in reporting used by leadership. No vendor patch is available, so the organization faces a period of elevated exposure that must be managed through access restriction, monitoring, and user awareness rather than remediation.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: restrict and monitor interactive OS-level logon on OBIEE Analytics Server hosts via least privilege and privileged access management, enforce application allowlisting and EDR on those hosts, segment the servers from user networks to limit inbound content processing, warn users against opening unsolicited or unexpected content, and log and alert on suspicious file-open and privilege-escalation activity on the Analytics Server hosts.

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Prevalence
Medium
enterprise Oracle BI platform, common in large orgs but not everywhere
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0
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