Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessDeliver crafted ORDS link to victim
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ExploitVictim interacts with malicious content
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ExecutionPayload executes in cross-product context
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ImpactLimited unauthorized read and data modification
Vulnerability Assessment
| Exploitation Conditions | Exploitation requires that a human victim other than the attacker interacts with attacker-supplied content (UI:R) - typically clicking a crafted link or loading a malicious page served through a network-reachable ORDS endpoint over HTTP; ORDS must therefore be deployed and accessible to the targeted user. No special configuration or authentication is required of the attacker (PR:N, AC:L), but the mandatory victim interaction is the primary limiting factor, meaning purely automated or server-to-server exploitation is not viable. The scope change (S:C) implies the real impact lands on products/sessions beyond ORDS that trust its output, so environments where ORDS is only internally reachable or not exposed to untrusted users face substantially reduced risk. |
| Impact | This is a moderate-severity issue (CVSS 3.1 base 6.1) best characterized as a config/user-interaction-dependent web flaw rather than a top-tier emergency. The vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) indicates a network-reachable, low-complexity, unauthenticated attack that nonetheless REQUIRES human interaction from a victim (UI:R) and carries a scope change (S:C) affecting products beyond ORDS itself. The combination of UI:R, S:C, PR:N and low Confidentiality/Integrity impacts with no Availability impact is the classic signature of a reflected cross-site scripting / content-injection style issue, where the 'additional products' impacted are the victim's authenticated session in downstream applications - NOT the 'Authentication Bypass' implied by the input tag, which appears mislabeled. No EPSS score, CISA KEV listing, or public POC was provided in the input, so there is no signal of active or probable exploitation; the realistic risk is elevated only in environments exposing ORDS to untrusted users who can be socially engineered into clicking a crafted link. Key missing data: EPSS is absent (cannot gauge exploitation probability), CWE is N/A (vulnerability class not formally classified), and the input tag 'Authentication Bypass' conflicts with the CVSS/description, which describe partial read and update access requiring victim interaction rather than an auth bypass - verify the actual flaw class with Oracle's CPU October 2026 advisory. |
| Exploit ScenarioDerived | An attacker crafts a malicious HTTP request or link targeting an ORDS endpoint and lures an authenticated or privileged user into clicking it. When the victim's browser processes the attacker-controlled content, the scope change lets the payload act in the context of other products, yielding limited unauthorized read and update/insert/delete access to data reachable through ORDS. No public exploit code was identified at time of analysis, and successful exploitation hinges on the victim's interaction. |
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Alert meAnalysisAIv1 – Oct 21, 2026
Oracle REST Data Services 24.2.0 through 26.1.0 contains a web-facing flaw that can let an unauthenticated network attacker cause limited unauthorized reads and writes to ORDS-accessible data when a victim is induced to interact with attacker-supplied content. The CVSS 3.1 score is 6.1, with scope change indicating that sessions or downstream products trusting ORDS output may also be affected; the mandatory user interaction is the primary barrier to exploitation. No public exploit code or confirmed active exploitation was identified at time of analysis.
RemediationAI
Apply the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cpuoct2026.html; the exact fixed ORDS version is not specified in the provided data, so confirm the target release in Oracle's advisory before upgrading. Until patched, restrict HTTP access to ORDS endpoints to trusted networks or place ORDS behind an authenticated reverse proxy-accepting that this may break legitimate unauthenticated API clients-and disable Backend-as-a-Service features that are not required. Because exploitation requires victim interaction, user awareness controls against following untrusted ORDS links add defense in depth but do not replace patching.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
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Technical ContextAI · show details
Oracle REST Data Services is a Java-based middle-tier component that exposes Oracle Database functionality as RESTful HTTP endpoints, including Backend-as-a-Service features. The assigned vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) describes a network-reachable, low-complexity issue that requires no attacker privileges but depends on a non-attacker user interacting with crafted content; the scope change means the real impact may extend to products or sessions that trust ORDS responses. No CWE is assigned in the supplied data, and the reporting feed tags the issue as 'Authentication Bypass' and 'Oracle'; the authoritative assessment characterizes it as a config/user-interaction-dependent web flaw rather than a directly automatable server compromise.
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Network-reachable over HTTP with no attacker privileges (AV:N/AC:L/PR:N), but mandatory victim interaction (UI:R) and cross-product scope change (S:C) with only limited C/I impact and no availability impact.
Primary rating from NVD.
CVSS VectorNVD
DescriptionNVD
Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle REST Data Services. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle REST Data Services accessible data as well as unauthorized read access to a subset of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
Threat Intelligence Overview
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.
EUVD-2026-105785
GHSA-grjc-8359-36h9
NVD
CVE.org
EPSS
Exploit-DB