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IBM Business Automation Workflow EUVDEUVD-2026-78870

| CVE-2026-12742 MEDIUM
Missing Authorization (CWE-862)
2026-09-15 ibm GHSA-4qhm-cjfg-jjv8
5.4
CVSS 3.1 · NVD
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Severity by source

Vendor (ibm) PRIMARY
MEDIUM
qualitative
NVD
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
vuln.today AI
5.4 MEDIUM

Network-reachable web import endpoint with no user interaction or complexity, but a valid low-privileged account is required, matching PR:L and Low C/I with no availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (ibm).

CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
Sep 15, 2026 - 18:07 vuln.today

DescriptionNVD

IBM Business Automation Workflow containers and traditional could allow an authenticated attacker to trigger restricted import actions due to missing authorization controls.

AnalysisAI

IBM Business Automation Workflow (both containerized and traditional deployments) fails to enforce authorization checks on certain import operations, letting an authenticated user invoke restricted import actions they should not be permitted to perform. Successful abuse yields limited confidentiality and integrity impact (CVSS 5.4, AV:N/AC:L/PR:L/UI:N) rather than full system compromise. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
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Delivery
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Exploit
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Install
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C2
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Execute
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated account on the IBM Business Automation Workflow instance (CVSS PR:L) and network reachability to the web interface that exposes the affected import functionality - per the vendor description, the trigger is the restricted import action itself, so the attacker must be able to invoke that import operation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N) describes a straightforward network-reachable flaw with no user interaction and no special complexity, but it requires a valid authenticated account (PR:L) and produces only limited confidentiality and integrity impact with no availability loss - that combination is what keeps the base score at 5.4 rather than critical. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the vendor-released patch referenced by IBM at https://www.ibm.com/support/pages/node/7285930; because the advisory does not enumerate an exact fix version in the data available here, confirm the precise fix-pack or container image tag for your Business Automation Workflow release directly on that page before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-78870 vulnerability details – vuln.today

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