How severe is CVE-2019-4426?

CVE-2019-4426 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-4426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4426?

CVE-2019-4426 primarily affects Ibm Business Automation Workflow. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4426 published?

CVE-2019-4426 was published on 2019-12-13 and last updated on 2026-06-17.

CVE-2019-4426

CVE-2019-4426 is a medium-severity vulnerability in Ibm Business Automation Workflow with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ibm Business Automation Workflow
Published: 2019-12-13
Last modified: 2026-06-17

Description

The Case Builder component shipped with 18.0.0.1 through 19.0.0.2 and IBM Case Manager 5.1.1 through 5.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 162772.

Frequently asked questions

What is CVE-2019-4426?: The Case Builder component shipped with 18.0.0.1 through 19.0.0.2 and IBM Case Manager 5.1.1 through 5.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 162772.
How severe is CVE-2019-4426?: CVE-2019-4426 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-4426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4426?: CVE-2019-4426 primarily affects Ibm Business Automation Workflow. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4426 published?: CVE-2019-4426 was published on 2019-12-13 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_automation_workflow:18.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:case_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:case_manager:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:case_manager:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:case_manager:5.2.1:*:*:*:*:*:*:*

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