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CVE-2026-12756: CWE-611 Improper Restriction of XML External Entity Reference in IBM Business Automation Workflow containers and traditional

0
High
VulnerabilityCVE-2026-12756cvecve-2026-12756cwe-611
Published: 09/14/2026 (09/14/2026, 21:16:03 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: Business Automation Workflow containers and traditional

Description

IBM Business Automation Workflow containers and traditional is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

CVSS v3.1

Score 7.1high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Affected software

IBM

Business Automation Workflow containers and traditional

Affected versions
=26.0.0=25.0.0=24.0.1=24.0.0
CPE configurations (8)
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:26.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:26.0.0:interim_fix_001:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:25.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:25.0.0:interim_fix_005:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:24.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow_containers_and_traditional:24.0.1:interim_fix_008:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/14/2026, 21:46:27 UTC

Technical Analysis

CVE-2026-12756 is an XML External Entity (XXE) injection vulnerability in IBM Business Automation Workflow containers and traditional editions. The vulnerability arises from improper restriction of XML external entity references (CWE-611) when processing XML data. An attacker with network access and low privileges can exploit this flaw to disclose sensitive information or cause a denial-of-service condition by consuming memory resources. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity, with attack vector network, low attack complexity, and no user interaction required.

Potential Impact

Successful exploitation can lead to the exposure of sensitive information and partial denial of service through memory resource exhaustion. The integrity of the system is not impacted, but confidentiality and availability are affected.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the current data. Users should monitor IBM advisories for updates and apply patches once available.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-06-19T19:58:04.698Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aa867d555bf5e2cf5a82124

Added to database: 09/14/2026, 21:32:05 UTC

Last enriched: 09/14/2026, 21:46:27 UTC

Last updated: 09/14/2026, 22:23:28 UTC

Views: 29

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