EUVD-2026-106490
GHSA-hx26-3rfj-7696
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessIdentify exposed SOA Suite HTTP endpoint
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DeliverySend crafted request to Fabric Layer
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ExploitTrigger unauthenticated flaw
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ExecutionGain code/control on instance
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ImpactFull takeover of SOA Suite
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions - remote unauthenticated exploitation over HTTP against Oracle SOA Suite (Fabric Layer component) per the CVSS AV:N/AC:L/PR:N/UI:N vector and Oracle's description. The practical limiting factor is network reachability: the attacker must be able to reach the SOA Suite HTTP listener, so instances behind segmentation, VPN, or not exposed to untrusted networks are materially harder to reach. Exploitation is confirmed applicable only to versions 12.2.1.4.0 and 14.1.2.0.0; other builds should be verified against Oracle's CPU October 2026 advisory. No specific non-default feature toggle is named by Oracle as a prerequisite. |
| Impact | This is a genuine top-tier priority, not a high-CVSS-but-low-risk issue. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes the worst realistic exposure profile: network-reachable over HTTP, low attack complexity, no privileges, and no user interaction, with High impact to all of Confidentiality, Integrity and Availability (9.8) culminating in full product takeover per Oracle's own wording. Signals are mostly consistent and point the same direction, but several enrichment sources are absent: there is no EPSS score provided, no CISA KEV listing, no SSVC decision data, and no public POC referenced - so 'no public exploit identified at time of analysis' applies. One notable conflict exists in the metadata: the input Tags label this 'Information Disclosure', which understates and contradicts the description and CVSS (full C/I/A compromise and 'takeover'); treat the tag as wrong, not the CVSS. Because Oracle Critical Patch Update flaws of this class are routinely reverse-engineered from patches and historically attract rapid exploitation, the absence of a KEV/EPSS signal should be read as 'not yet enriched/observed', not as evidence of low real-world risk. Verify affected-version applicability against your actual SOA Suite build before deprioritizing. |
| Exploit ScenarioDerived | A remote, unauthenticated attacker locates an internet- or network-exposed Oracle SOA Suite instance and sends a crafted HTTP request to the Fabric Layer component, exploiting the flaw without credentials or user interaction. Because attack complexity is low and the outcome is full takeover, a single successful request can yield complete control over the SOA Suite instance and its data. No public exploit code is identified at time of analysis, though CPU-class Oracle Middleware bugs are frequently weaponized after patch diffing. |
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Alert meAnalysisAIv1 – Oct 20, 2026
Oracle SOA Suite releases 12.2.1.4.0 and 14.1.2.0.0 contain a critical flaw in the Fabric Layer component that can be reached over HTTP without any credentials, letting a remote attacker seize full control of the SOA Suite deployment. With a CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), successful exploitation yields complete loss of confidentiality, integrity, and availability of the affected middleware, effectively a takeover of the product. There is no KEV listing and no public exploit identified at time of analysis, but the pre-authentication network vector and the fact that Oracle's Fabric Layer normally sits on an internet- or partner-facing service bus make this a top-tier patch priority; EPSS data was not supplied, and our independent assessment confirms the unauthenticated remote exploitation path with network reachability as the primary practical barrier.
RemediationAI
Apply the Oracle Critical Patch Update for October 2026, which is the vendor advisory covering this defect (https://www.oracle.com/security-alerts/cpuoct2026.html); Oracle CPU guidance directs administrators to the advisory's patch availability matrix for the exact patch or upgrade path for SOA Suite 12.2.1.4.0 and 14.1.2.0.0 - install that update rather than relying on a standalone bundle number, and verify any other deployed build against the same advisory. Where patching must be staged, immediate compensating controls should focus on the reachability constraint our assessment identifies as the real limiter: terminate or block external access to the SOA Suite HTTP listener and Fabric Layer endpoints at the network boundary, restricting them to known integration partners and internal middleware subnets via firewall ACLs or a reverse proxy with allow-listing - the trade-off is that legitimate external service-bus consumers must be re-homed through the proxy or VPN, which adds latency and requires connector reconfiguration. Disable or unbind any composite, proxy service, or Fabric Layer endpoint that does not need to be publicly reachable, accepting the loss of that integration until patched. Enabling Oracle WebLogic/SOA Suite audit logging and HTTP access logs for anomalous pre-authentication requests provides detection but no prevention. Do not treat WAF signature blocking as a primary mitigation, since the request shape of the flaw is not publicly documented.
Affected VersionsENISA
Affected Packages
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 SOA Suite is Oracle Fusion Middleware's service-oriented integration platform, combining BPEL process orchestration, the Service Bus (ESB), human workflow, business rules, and adapters; the 'Fabric Layer' is the shared runtime substrate that underpins service binding, mediation, and composite deployment across these components. The vulnerability class is not enumerated (CWE is not disclosed by Oracle), but the CVSS vector AV:N/AC:L/PR:N/UI:N/S:U with high C/I/A impact indicates a pre-authentication, low-complexity defect reachable directly through the HTTP listener - consistent with an unauthenticated request-handling or deserialization/mediation-endpoint flaw in the Fabric Layer that grants execution or administrative control within the SOA container's security context. Exploitation requires only network reachability to the SOA Suite HTTP port; no user interaction, no prior authentication, and no named non-default feature toggle are prerequisites per Oracle's advisory. Because the scope is unchanged (S:U), the impact is bounded by the privileges of the SOA Suite process itself, but those privileges are typically broad within the middleware domain. Only versions 12.2.1.4.0 and 14.1.2.0.0 are confirmed affected; other builds should be validated against Oracle's October 2026 Critical Patch Update.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Oracle describes unauthenticated HTTP-reachable exploitation with no user interaction yielding full takeover, so AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H; scope unchanged within the product.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). 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 SOA Suite. Successful attacks of this vulnerability can result in takeover of Oracle SOA Suite. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Executive ViewAI
Oracle SOA Suite releases 12.2.1.4.0 and 14.1.2.0.0 expose a critical Fabric Layer vulnerability that allows an unauthenticated network attacker to take full control of the deployment, with complete loss of confidentiality, integrity, and availability. Organizations running these releases-especially where Fabric Layer is reachable from the internet or partner networks-face potential takeover of business-critical middleware, and leadership should treat remediation as an urgent operational risk; no public exploit identified at time of analysis, but the pre-authentication network path makes exposure reduction the immediate priority.
No vendor-released patch identified at time of analysis; interim controls include restricting HTTP access to Fabric Layer to trusted networks, segmenting SOA Suite deployments, applying WAF or virtual-patching rules, enabling detailed logging and monitoring, and preparing emergency upgrade procedures for when a vendor fix is released.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Exploit-DB