Apache Calcite: A user-controled model can load arbitrary classes, leading to code execution
Priority LOW 35CWE-470Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00436 38th percentileScored 2026-11-07
Fix Partial Apache Calcite (Apache Software Foundation): 1.42org.apache.calcite:calcite-core (Maven): 1.42.0Red Hat: 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Calcite | 1.5.0 to before 1.42 | 1.42 | Patch available | CNA |
| — | org.apache.calcite:calcite-core (Maven) | 1.5.0 to before 1.42.0 | 1.42.0 | Patch available | GHSA-c2rv-hwqm-wjpg |
- Apache Calcite VendorApache Affected 1.5.0 to before 1.42 Fixed in 1.42 Patch available CNA
- org.apache.calcite:calcite-core (Maven) Vendor— Affected 1.5.0 to before 1.42.0 Fixed in 1.42.0 Patch available GHSA-c2rv-hwqm-wjpg
Remediation
- Fix · CNA Apache Calcite (Apache Software Foundation) Fixed in 1.42
- Fix · GHSA-c2rv-hwqm-wjpg org.apache.calcite:calcite-core (Maven) Fixed in 1.42.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Cryostat 4 | Affected | No fix yet: Fix deferred |
| Red Hat Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46718
- 2026-10-03 Alias added: GHSA-c2rv-hwqm-wjpg
- 2026-10-25 EPSS moved to the below the 50th percentile
References
Advisory 3
More Apache Calcite vulnerabilities
- TI-2022-18523 Apache Calcite: potential XEE attacks CVSS 3.1CRITICAL 9.8
- TI-2020-10931 Improper certificate validation in Apache Calcite CVSS 3.1MEDIUM 5.9
Sources
- CVE-2026-46718 · CVE Program
- CVE-2026-46718 · NVD
- FIRST EPSS
- GHSA-c2rv-hwqm-wjpg · GitHub Advisory Database · CC BY 4.0
- CVE-2026-46718 · Red Hat security data · CC BY 4.0
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