CVE-2026-34302Network attack vector

Authenticated data modification and partial service interruption

Published Apr 21, 2026 · Updated Apr 21, 2026

Improper access control in Oracle Workflow Loader 12.2.3 through 12.2.15 allows remote authenticated users to alter data or interrupt service. Oracle identifies the locus as Workflow Loader but does not disclose its incorrect operation on untrusted input. Exploitation requires high privileges and HTTP access; impact is limited to some accessible data and partial service interruption, although other products can be affected.

CVSS severity5.5
Medium
EPSS probability0.24%
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 Workflow Loader 12.2.3 through 12.2.15 allows remote authenticated users to alter data or interrupt service. Oracle identifies the locus as Workflow Loader but does not disclose its incorrect operation on untrusted input. Exploitation requires high privileges and HTTP access; impact is limited to some accessible data and partial service interruption, although other products can be affected.

The record

CVE
CVE-2026-34302
Published
Apr 21, 2026
Updated
Apr 21, 2026
Vendor
Oracle
Product
Oracle Workflow
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=12.2.3 <=12.2.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle · Oracle Workflowversion=12.2.3 <=12.2.15

Published CVSS scores

5.5OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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