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Oracle REST Data Services CVE-2026-101375

| EUVDEUVD-2026-105791 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-qmgr-h2wj-659g
6.3
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
    Authenticate with low-privileged ORDS account
  2. Exploit
    Send crafted HTTP request to Database Actions
  3. Execution
    Bypass authorization boundary
  4. Impact
    Read/modify subset of accessible data or trigger partial DoS

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

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

Exploitation Conditions

Exploitation requires the attacker to hold a valid low-privileged authenticated session (CVSS PR:L) to the Oracle REST Data Services Database Actions component, reachable over HTTP (AV:N). No victim user interaction is needed (UI:N) and attack complexity is low (AC:L). The key limiting factors are: (1) the attacker must already possess credentials or an authenticated foothold with at least low privileges in ORDS - purely unauthenticated anonymous exploitation is not supported by the vector; and (2) the Database Actions component must be network-exposed and enabled. Impact is bounded to partial access (C:L/I:L/A:L) within a subset of ORDS-accessible data, not full database compromise.

Impact

This is a moderate-severity, authenticated vulnerability best characterized as a genuine-but-not-urgent patch priority rather than an emergency. The CVSS 3.1 base score is 6.3 (MEDIUM) with vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L: network-reachable over HTTP, low attack complexity, but requiring low-level privileges (PR:L) and yielding only partial (Low) confidentiality, integrity, and availability impact with no scope change. No EPSS score was provided in the input, so exploitation probability cannot be quantified. The CVE is NOT listed in CISA KEV and no public proof-of-concept is referenced, so there is no public exploit identified at time of analysis. No SSVC decision data was supplied. The signals are internally consistent - Oracle's own description ('Easily exploitable... low privileged attacker with network access via HTTP') aligns cleanly with AV:N/AC:L/PR:L, so there is no network-vs-local contradiction to flag. The main limiting factor is the PR:L requirement: an attacker must already hold some authenticated, low-privileged access to Database Actions, which bounds real-world risk and points toward opportunistic or insider abuse rather than mass unauthenticated exploitation. Missing EPSS/SSVC data means the real-world exploitation likelihood is unconfirmed and should be treated as unknown rather than low.

Exploit ScenarioDerived

A low-privileged user who already has authenticated HTTP access to the Database Actions component of Oracle REST Data Services sends crafted requests that exceed their authorization boundary, gaining limited read access to some ORDS-accessible data and the ability to insert, update, or delete a subset of it, and to partially degrade the service. No public exploit code is referenced, and no user interaction by a victim is required.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Authenticated low-privileged users of Oracle REST Data Services (ORDS) 24.2.0 through 26.1.0 can, over HTTP, read and modify a subset of Database Actions-accessible data and cause a partial denial of service against the service. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L, base 6.3) confirms the attacker must already hold a valid low-privileged session; no victim interaction is required. No public exploit code or confirmed active exploitation (CISA KEV) was identified at time of analysis, making this a moderate, authenticated patch priority rather than an emergency.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026, which addresses CVE-2026-101375 in ORDS Database Actions for versions 24.2.0 through 26.1.0; consult https://www.oracle.com/security-alerts/cpuoct2026.html for the exact patched release for your 24.2.x through 26.1.0 deployment, as a specific fixed version number is not stated in the available data (patch status: available per vendor advisory). Where immediate patching is not possible, reduce exposure by restricting network access to the Database Actions endpoints to trusted administrative networks or VPN, or disabling Database Actions entirely if it is not in use; the trade-off is loss of browser-based SQL/development functionality for legitimate users. Enforce least privilege so that accounts hold only the ORDS roles actually required, since the vector requires only low privileges and this limits the blast radius of misuse, and monitor ORDS and database audit logs for anomalous update, insert, delete, or read activity from low-privileged sessions.

Affected VersionsENISA

Oracle REST Data Services 24.2.0 ≤26.1.0

Affected Packages

euvd oracle_rest_data_services 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 REST Data Services is a Java-based middleware layer that publishes RESTful endpoints and the Database Actions web interface in front of Oracle Database; the affected component is Database Actions. The vulnerability class is not disclosed (CWE not assigned in the source data), but the assessed vector shows a server-side authorization or input-handling weakness in an HTTP-reachable Database Actions endpoint that a low-privileged authenticated user can exercise with low attack complexity and no user interaction. Scope is unchanged, and impact is bounded to partial confidentiality, integrity, and availability loss (C:L/I:L/A:L) within a subset of data reachable through ORDS rather than full database compromise. Exploitation therefore depends on two prerequisites: valid low-privileged ORDS credentials or an equivalent authenticated foothold, and network exposure of the Database Actions component.

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Severity by source

Vendor (oracle) PRIMARY 6.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
vuln.today AI 6.3 MEDIUM

HTTP-reachable (AV:N), easily exploitable (AC:L), but requires an authenticated low-privileged ORDS account (PR:L); partial C/I/A impact with no scope change.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in Oracle REST Data Services (component: Database Actions). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle REST Data Services. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle REST Data Services. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Medium
Common REST/SQL gateway in Oracle Database shops, not universally deployed
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 0.3%
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.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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