---
id: "CVE-2026-101374"
kind: "vulnerability"
aliases: ["CVE-2026-101374"]
title: "Oracle REST Data Services: unauthenticated write access to data over HTTP"
severity: "medium"
cvss: 5.9
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["oracle-database", "oracle-rest-data-services", "runtime", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:17:44+00:00"
first_seen_at: "2026-10-23T21:57:21+00:00"
updated_at: "2026-10-25T04:08:39+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101374", "first_seen_at": "2026-10-23T21:57:21+00:00"}]
---

# Oracle REST Data Services: unauthenticated write access to data over HTTP

Oracle REST Data Services has a flaw in its Backend-as-a-Service component that a remote attacker can reach over HTTP without logging in. A successful attack can create, change or delete data that the service can access.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Oracle REST Data Services version against the affected range `24.2.0` through `26.1.0`
- Confirm whether the Backend-as-a-Service component is enabled on the deployment, which the sources do not specify

## Fix

- Move to a fixed Oracle REST Data Services release from Oracle's advisory; the fixed version is unknown from the sources

## Timeline

- 2026-10-23T21:57:21+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101374

## From the sources

Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service).  Supported versions that are affected are 24.2.0-26.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle REST Data Services.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle REST Data Services accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_