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Cloud Pak For Business Automation CVE-2026-12750

| EUVDEUVD-2026-78867 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-15 ibm GHSA-4h79-7xjj-cq2q
5.4
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Stored cross-site scripting in IBM Cloud Pak for Business Automation allows an authenticated user to persist arbitrary JavaScript inside Web UI content, which then executes in the browser of any other user who views the affected page. Successful exploitation can disclose session credentials or other sensitive data belonging to the victim's trusted session, and can alter the intended behavior of the Web UI for that user. IBM has published an advisory and states that a fix is available from the vendor; no public exploit code or CISA KEV listing was identified at time of analysis.

Affected VersionsENISA

Cloud Pak for Business Automation 25.0.0 ≤25.0.0 Interim Fix 005
Cloud Pak for Business Automation 24.0.0 ≤24.0.0 Interim Fix 009
Cloud Pak for Business Automation 24.0.1 ≤24.0.1 Interim Fix 008
Cloud Pak for Business Automation 26.0.0 ≤26.0.0 Interim Fix 001

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (ibm) PRIMARY MEDIUM
NVD 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from Vendor (ibm).

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVSS changed
Sep 23, 2026 - 20:22 NVD
6.4 (MEDIUM) 5.4 (MEDIUM)

DescriptionNVD

IBM Cloud Pak for Business Automation is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Threat Intelligence Overview

EPSS Score
0.3%
Top 83% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

CVE-2023-35024 HIGH
7.6 Oct 14

IBM Cloud Pak for Business Automation 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21

CVE-2025-36093 HIGH
7.4 Nov 03

Man-in-the-middle attackers can exploit improper access controls in IBM Cloud Pak for Business Automation 24.0.0, 24.0.1

CVE-2026-11864 MEDIUM
6.5 Sep 15

An XPath injection flaw (CWE-643) in IBM Cloud Pak for Business Automation lets an authenticated user manipulate XPath q

CVE-2025-1838 MEDIUM
6.5 May 03

IBM Cloud Pak for Business Automation 24.0.0 and 24.0.1 through 24.0.1 IF001 Authoring allows an authenticated user to b

CVE-2025-36092 MEDIUM
6.5 Nov 03

IBM Cloud Pak For Business Automation 25.0.0, 24.0.1, and 24.0.0 could allow an authenticated user to cause a denial of

CVE-2024-52365 MEDIUM
6.4 Feb 05

IBM Cloud Pak for Business Automation 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21

CVE-2025-36436 MEDIUM
6.4 Feb 02

Cloud Pak For Business Automation versions up to 24.0.0 is affected by cross-site scripting (xss) (CVSS 6.4).

CVE-2026-81859 MEDIUM
6.2 Sep 04

Sensitive information disclosure in IBM Enterprise Records (a component of IBM Cloud Pak for Business Automation) allows

CVE-2024-41753 MEDIUM
6.1 May 03

IBM Cloud Pak for Business Automation 24.0.0 through 24.0.0 IF004 and 24.0.1 through 24.0.1 IF001 is vulnerable to cross

CVE-2023-32339 MEDIUM
6.1 Jun 27

IBM Business Automation Workflow is vulnerable to cross-site scripting. Rated medium severity (CVSS 6.1), this vulnerabi

CVE-2024-52364 MEDIUM
5.4 Feb 05

IBM Cloud Pak for Business Automation 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21

CVE-2026-12751 MEDIUM
5.4 Sep 15

IBM Cloud Pak for Business Automation is affected by HTML injection (CWE-80) in one or more web UI components, allowing

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