CVE-2026-34312Network attack vector

Privileged database disclosure via undisclosed RDBMS flaw

Published Apr 21, 2026 · Updated Apr 21, 2026

Improper access control in Oracle Database 19.3 through 19.30 allows remote authenticated users to read a subset of RDBMS data. Oracle has not disclosed the specific RDBMS locus or the wrong operation that exposes data. Exploitation requires Row Access Method privilege, network access through multiple protocols, and interaction by a person other than the attacker; integrity and service availability are unaffected.

CVSS severity2.4
Low
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Oracle Database 19.3 through 19.30 allows remote authenticated users to read a subset of RDBMS data. Oracle has not disclosed the specific RDBMS locus or the wrong operation that exposes data. Exploitation requires Row Access Method privilege, network access through multiple protocols, and interaction by a person other than the attacker; integrity and service availability are unaffected.

The record

CVE
CVE-2026-34312
Published
Apr 21, 2026
Updated
Apr 21, 2026
Vendor
Oracle
Product
Oracle Database
Classifications
CWE-284
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=19.3 <=19.30

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle · Oracle Databaseversion=19.3 <=19.30

Published CVSS scores

2.4OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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