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CriticalVulnerabilityCVE-2026-101501updated 25 Oct 2026, 15:24 UTC

Oracle Trusted Answer Search flaw lets low-privilege users change or crash data

A flaw in Oracle Trusted Answer Search lets someone with a basic user account over the network change or delete important data, read some data they should not see, or crash the system. Attacks may also reach other products connected to it.

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-privilege attackerHolds a basic valid account
  2. 2Oracle Net accessConnects over the network
  3. 3PL/SQL package flawAbuses the vulnerable component
  4. 4Data changed or readModifies or reads critical data
  5. ResultData altered, leaked, or service crashed

What happened

A PL/SQL package component of Oracle Trusted Answer Search version 26.1 has a network-exploitable flaw requiring only low privileges, with scope change and high integrity, availability and partial confidentiality impact (CVSS 9.9).

Why it is dangerous: Attackers with a low-privileged account can alter or destroy critical data, read a subset of accessible data, and repeatedly crash the service, with possible spread to other products.

Are you affected?

You are affected if you run Oracle Trusted Answer Search version 26.1 and it is reachable over Oracle Net by users with low-privileged accounts.

Oracle Trusted Answer Search 26.1 (PL/SQL package component)

What to do

  1. Check whether you run Oracle Trusted Answer Search version 26.1
  2. Apply the security update or patch from Oracle as soon as it is available
  3. Restrict network access to Oracle Net and review low-privileged accounts until patched

Timeline

  1. 20 Oct 2026, 22:17 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:17 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-2026-101501 · GHSA-j785-mgvj-pv2f
CVSS
9.9 / 10
EPSS
0.4% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:17 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 Trusted Answer Search flaw lets low-privilege users change or crash data · Zero Radar