Skip to main content

Oracle E-Business Suite CVE-2026-87407

| EUVDEUVD-2026-106446 MEDIUM
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-10-20 secalert_us@oracle.com GHSA-gr3p-gjpc-8f4g
6.5
CVSS 3.1 · Vendor: oracle
View

Attack ChainAIDerived

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

  1. Access
    Identify exposed Oracle E-Business Suite OAF endpoint
  2. Delivery
    Craft malicious HTTP request/link
  3. Exploit
    Lure EBS user to interact (UI:R)
  4. Execution
    Trigger confidentiality flaw in OAF
  5. Impact
    Exfiltrate all OAF-accessible critical data

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 a victim with access to the Oracle Applications Framework component of Oracle E-Business Suite to perform a human interaction triggered by the attacker (UI:R) - e.g., following an attacker-supplied link or request to a reachable OAF HTTP endpoint. The affected deployments are Oracle Applications Framework versions 12.2.3 through 12.2.15. The key LIMITING factors are: (1) mandatory user interaction by a person other than the attacker, which prevents fully automated or wormable exploitation; (2) network reachability of the OAF HTTP interface to the attacker and victim; and (3) that impact is confined to confidentiality (data disclosure), with no integrity or availability effect. No special non-default configuration is named in the description, so default internet- or intranet-exposed OAF instances within the affected version range are in scope once a user can be induced to interact.

Impact

This is a moderate-priority confidentiality flaw whose real-world risk sits below its headline CVSS 6.5. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) shows network-reachable, low-complexity, unauthenticated access, but the mandatory UI:R (human interaction 'from a person other than the attacker') is the dominant limiting factor - exploitation depends on tricking a legitimate user, so it cannot be mass-automated the way a pure AV:N/UI:N bug could. Impact is confidentiality-only (C:H, I:N, A:N): no data tampering or outage, only disclosure of all Oracle Applications Framework-accessible data. No EPSS score, CISA KEV listing, or public POC was provided in the input, so there is no positive signal of active exploitation or weaponization; exploitation status is therefore 'no public exploit identified at time of analysis.' There is no SSVC decision data supplied. CONFLICT TO NOTE: the input Tags include 'Authentication Bypass,' but the description and vector describe an unauthenticated-but-user-interaction-gated information disclosure, not a true auth-bypass - treat the tag with skepticism and verify against Oracle's October 2026 CPU advisory. Net: patch on a normal Oracle CPU cadence; this is a real but interaction-dependent issue, not a drop-everything emergency absent exploitation evidence.

Exploit ScenarioDerived

An attacker crafts a malicious HTTP link or request targeting the Oracle Applications Framework and lures an authenticated EBS user into triggering it (UI:R). When the victim interacts, the flaw discloses critical data the victim's session or the framework can reach, giving the unauthenticated attacker unauthorized read access to all OAF-accessible data. No public exploit code was identified in the provided data, and low attack complexity (AC:L) means a working lure would reliably succeed once a user engages.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Oct 21, 2026

Unauthenticated disclosure of critical Oracle Applications Framework data in Oracle E-Business Suite 12.2.3 through 12.2.15 lets a network-positioned attacker reach OAF HTTP endpoints and read data the victim user is authorized to see, but only after that user is induced into a human interaction such as following an attacker-supplied link. The CVSS 3.1 score of 6.5 reflects confidentiality-only impact (C:H/I:N/A:N) with no integrity or availability effect, and no public exploit code has been identified at time of analysis. Real-world risk sits below the headline score because the mandatory UI:R step blocks automated or wormable exploitation and the attacker must be able to reach the OAF interface while a legitimate user can be persuaded to interact.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026, which is the vendor-released fix for CVE-2026-87407 (https://www.oracle.com/security-alerts/cpuoct2026.html); the exact patched EBS version or patch number is not specified in the supplied data, so confirm against the CPU's patch availability table for your 12.2.x release before scheduling downtime. Oracle CPUs typically publish no supported one-off workaround for OAF defects, so where patching must be deferred, compensating controls should focus on the reachability and user-interaction prerequisites: terminate OAF HTTP traffic behind a reverse proxy or WAF that blocks unexpected request patterns and restrict OAF endpoints to known networks or VPN, accepting the trade-off that legitimate remote and self-service users lose direct access or must onboard to VPN; deploy email and web link filtering plus user awareness for the crafted-link delivery step, recognising this only lowers, and does not remove, the UI:R trigger; and tighten monitoring and audit of OAF access logs for anomalous read-heavy request sequences from a single session, with the trade-off of added false positives and log volume. Disabling the OAF component entirely is not a realistic mitigation because it is core to EBS application delivery.

Affected VersionsENISA

Oracle Applications Framework 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_applications_framework 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

Oracle Applications Framework (OAF) is Oracle's Java-based declarative UI and controller framework underpinning the E-Business Suite 12.2.x application tier, where it exposes HTTP-rendered pages and business-logic endpoints through the EBS web tier (Oracle HTTP Server / WebLogic in 12.2.x deployments). No CWE identifier was supplied, but the vendor-tagged issue class is authentication bypass: the CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N describes a low-complexity, network-reachable flaw that needs no credentials (PR:N) yet requires a person other than the attacker to perform an action (UI:R), after which the attacker gains high confidentiality access limited to the OAF scope (S:U) with no write or denial-of-service effect. Practically this maps to request-handling or access-control logic in OAF pages that returns data to a session or request it should not fully trust, rather than to memory corruption; because the vector is unchanged-scope and confidentiality-only, the practical exposure is bulk reading of business and application data reachable through OAF rather than code execution or data tampering. The UI:R prerequisite means exploitation depends on the attacker's ability to deliver a crafted link or request to an authenticated EBS user who can reach the same OAF instance.

Know when Open Redirect gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network HTTP vector and no auth give AV:N/PR:N, but required victim interaction forces UI:R; impact is disclosure-only, so C:H with I:N/A:N and unchanged scope.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Security). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Applications Framework. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Applications Framework accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
High
Oracle E-Business Suite is a widely deployed enterprise ERP platform
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

CVE-2017-1000117 HIGH POC
8.8 Oct 05

A malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL ca

CVE-2024-52875 HIGH POC
8.8 Jan 31

GFI Kerio Control versions 9.2.5 through 9.4.5 contain an HTTP response splitting vulnerability in the dest parameter of

CVE-2016-5385 HIGH POC
8.1 Jul 19

PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect

CVE-2013-2248 MEDIUM POC
5.8 Jul 20

Multiple open redirect vulnerabilities in Apache Struts 2.0.0 through 2.3.15 allow remote attackers to redirect users to

CVE-2018-11784 MEDIUM POC
4.3 Oct 04

When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a r

CVE-2012-6499 MEDIUM POC
5.8 Jan 12

Open redirect vulnerability in age-verification.php in the Age Verification plugin 0.4 and earlier for WordPress allows

CVE-2015-2863 MEDIUM POC
4.3 Jul 20

Open redirect vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 b

CVE-2017-3528 MEDIUM POC
5.4 Apr 24

Vulnerability in the Oracle Applications Framework component of Oracle E-Business Suite (subcomponent: Popup windows (li

CVE-2012-0518 MEDIUM
4.7 Oct 16

Unspecified vulnerability in the Oracle Application Server Single Sign-On component in Oracle Fusion Middleware 10.1.4.3

CVE-2024-21641 MEDIUM POC
6.5 Jan 05

Flarum is open source discussion platform software. Rated medium severity (CVSS 6.5), this vulnerability is remotely exp

CVE-2015-5354 MEDIUM POC
5.8 Jul 01

Open redirect vulnerability in Novius OS 5.0.1 (Elche) allows remote attackers to redirect users to arbitrary web sites

CVE-2015-5461 MEDIUM POC
6.4 Jul 08

Open redirect vulnerability in the Redirect function in stageshow_redirect.php in the StageShow plugin before 5.0.9 for

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy