How severe is CVE-2026-46718?

CVE-2026-46718 has a CVSS 3.x base score of 6.5, rated medium 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 none.

Is CVE-2026-46718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46718?

CVE-2026-46718 affects Apache Calcite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46718?

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

Does CVE-2026-46718 have an EU (EUVD) identifier?

Yes. CVE-2026-46718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33906.

When was CVE-2026-46718 published?

CVE-2026-46718 was published on 2026-06-02 and last updated on 2026-07-22.

CVE-2026-46718

CVE-2026-46718 is a medium-severity vulnerability in Apache Calcite 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-470.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33906
Weakness: CWE-470
Affected product: Apache Calcite
Published: 2026-06-02
Last modified: 2026-07-22

Description

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Calcite. This issue affects Apache Calcite: from 1.5.0 before 1.42. Users are recommended to upgrade to version 1.42, which fixes the issue.

Frequently asked questions

What is CVE-2026-46718?: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Calcite. This issue affects Apache Calcite: from 1.5.0 before 1.42. Users are recommended to upgrade to version 1.42, which fixes the issue.
How severe is CVE-2026-46718?: CVE-2026-46718 has a CVSS 3.x base score of 6.5, rated medium 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 none.
Is CVE-2026-46718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46718?: CVE-2026-46718 affects Apache Calcite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46718?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-46718 have an EU (EUVD) identifier?: Yes. CVE-2026-46718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33906.
When was CVE-2026-46718 published?: CVE-2026-46718 was published on 2026-06-02 and last updated on 2026-07-22.

References

Affected products (1)

cpe:2.3:a:apache:calcite:*:*:*:*:*:*:*:*

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