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CriticalVulnerabilityCVE-2026-101528updated 25 Oct 2026, 15:24 UTC

Oracle Enterprise Manager for Oracle Database can be taken over by a low-privileged user

Oracle's central tool for managing databases has a flaw that lets someone with a basic login take full control of it over the network. From there they could reach other systems it manages.

Official, 2 sources
SeverityCriticalCVSS 9.9 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Low-privileged attackerHas a basic account on the network
  2. 2HTTP requestSends crafted requests to the web interface
  3. 3Data Guard ManagementFlaw lets the request bypass controls
  4. 4Enterprise ManagerAttacker gains full control
  5. 5Connected systemsScope change reaches other products
  6. ResultAttacker takes over Enterprise Manager

What happened

A flaw in the Data Guard Management component of Oracle Enterprise Manager for Oracle Database allows a low-privileged attacker with network access over HTTP to fully compromise the product, with scope change affecting other products.

Why it is dangerous: A successful attacker could read, change, or disrupt data and systems managed by Oracle Enterprise Manager, including database disaster-recovery setups. Organizations running this tool are at risk, especially if many users have basic accounts.

Are you affected?

You are affected if you run Oracle Enterprise Manager for Oracle Database version 13.5 or 24.1 with the Data Guard Management component reachable over HTTP.

Oracle Enterprise Manager for Oracle Database 13.5; 24.1 (Data Guard Management component)

What to do

  1. Check whether you run Oracle Enterprise Manager for Oracle Database 13.5 or 24.1 with Data Guard Management enabled
  2. Apply the security patch or update from Oracle's Critical Patch Update for the affected version as soon as it is available
  3. Restrict network access to the Enterprise Manager HTTP interface to trusted administrators only
  4. Review and reduce low-privileged accounts that can reach the affected component

Timeline

  1. 20 Oct 2026, 22:18 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:18 UTC
    Reported by NVD · NVD
  3. 25 Oct 2026, 15:24 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-101528 · GHSA-gqmj-694r-2pm2
CVSS
9.9 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:18 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 15:24 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Oracle Enterprise Manager for Oracle Database can be taken over by a low-privileged user · Zero Radar