---
id: "CVE-2026-101555"
kind: "vulnerability"
aliases: ["CVE-2026-101555"]
title: "Oracle E-Business Suite Payroll: low-privilege HTTP attack can take over"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-ebs", "payroll", "self-hosted", "vendor"]
not_affected_if: ["payroll-not-installed"]
published_at: "2026-10-20T22:18:05+00:00"
first_seen_at: "2026-10-23T21:57:22+00:00"
updated_at: "2026-10-25T03:20:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101555", "first_seen_at": "2026-10-23T21:57:22+00:00"}]
---

# Oracle E-Business Suite Payroll: low-privilege HTTP attack can take over

Oracle Payroll, part of Oracle E-Business Suite, has a flaw in its Internal Operations component that lets a low-privileged user reach it over HTTP. A successful attacker can take over the Payroll product, with high impact to confidentiality, integrity and availability.

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

## How to check

- Check the installed E-Business Suite release and Payroll version against the affected range `12.2.3` to `12.2.15`, using the Oracle advisory for the patch list.
- Confirm whether Oracle Payroll is deployed and reachable over HTTP from untrusted networks.

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle E-Business Suite Payroll, as listed in Oracle's advisory for this CVE (exact patch number unknown from the sources).
- Restrict access to Payroll endpoints to internal networks until patched.

## Timeline

- 2026-10-23T21:57:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101555

## From the sources

Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Internal Operations).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Payroll.  Successful attacks of this vulnerability can result in takeover of Oracle Payroll. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

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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_