How severe is CVE-2026-5739?

CVE-2026-5739 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-5739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5739?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-5739 have an EU (EUVD) identifier?

Yes. CVE-2026-5739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19896.

When was CVE-2026-5739 published?

CVE-2026-5739 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-5739

CVE-2026-5739 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19896
Weakness: CWE-74
Published: 2026-04-07
Last modified: 2026-06-17

Description

A security flaw has been discovered in PowerJob 5.1.0/5.1.1/5.1.2. The affected element is the function GroovyEvaluator.evaluate of the file /openApi/addWorkflowNode of the component OpenAPI Endpoint. The manipulation of the argument nodeParams results in code injection. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-5739?: A security flaw has been discovered in PowerJob 5.1.0/5.1.1/5.1.2. The affected element is the function GroovyEvaluator.evaluate of the file /openApi/addWorkflowNode of the component OpenAPI Endpoint. The manipulation of the argument nodeParams results in code injection. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-5739?: CVE-2026-5739 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-5739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-5739 have an EU (EUVD) identifier?: Yes. CVE-2026-5739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19896.
When was CVE-2026-5739 published?: CVE-2026-5739 was published on 2026-04-07 and last updated on 2026-06-17.

References

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