How severe is CVE-2026-42357?

CVE-2026-42357 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-42357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-42357?

CVE-2026-42357 affects Apache Dolphinscheduler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-42357?

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

Does CVE-2026-42357 have an EU (EUVD) identifier?

Yes. CVE-2026-42357 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37582.

When was CVE-2026-42357 published?

CVE-2026-42357 was published on 2026-06-17.

CVE-2026-42357

CVE-2026-42357 is a medium-severity vulnerability in Apache Dolphinscheduler with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37582
Weakness: CWE-863
Affected product: Apache Dolphinscheduler
Published: 2026-06-17
Last modified: 2026-06-17

Description

Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access. This issue affects Apache DolphinScheduler versions prior to 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes this issue.

Frequently asked questions

What is CVE-2026-42357?: Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access. This issue affects Apache DolphinScheduler versions prior to 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes this issue.
How severe is CVE-2026-42357?: CVE-2026-42357 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-42357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-42357?: CVE-2026-42357 affects Apache Dolphinscheduler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-42357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42357 have an EU (EUVD) identifier?: Yes. CVE-2026-42357 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37582.
When was CVE-2026-42357 published?: CVE-2026-42357 was published on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:dolphinscheduler:*:*:*:*:*:*:*:*

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