CVE-2026-46718 json
Apache Calcite: A user-controled model can load arbitrary classes, leading to code execution
published 2026-06-02 5 mo ago modified 2026-09-10 1 mo ago also EUVD-2026-33906 , GHSA-c2rv-hwqm-wjpg
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
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.
Patch / fix
- maven org.apache.calcite:calcite-core 1.42.0
- Apache Software Foundation Apache Calcite 1.42
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-46718 updated cvss 5.4
calcite: org.apache.calcite.avatica/avatica-core: Apache Calcite: Unsafe Reflection vulnerability allows externally-controlled input to select classes or code.
-
Red Hat Cryostat 4 avatica-core Red Hat Fuse 7 avatica-core Red Hat JBoss Enterprise Application Platform Expansion Pack avatica-coreaffected: workaround, no fix available “Fix deferred”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.calcite:calcite-core | >=1.5.0, <1.42.0 |
1.42.0 |
Affected products
- Apache Software Foundation Apache Calcite
Classification
- Weakness
-
- CWE-470 Use of Externally-Controlled Input to Select Classes or Code
References
-
github.com
/apache/calcite/commit/5855cfa14d8038e2a123ff6ce9722edce0e0cc25
web
-
lists.apache.org
/thread/9s37svo343w5ck1ovh478lkzcqk4949v
vendor-advisory, web, mailing-list
-
openwall.com
/lists/oss-security/2026/06/01/7
web, mailing-list, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-46718
advisory
-
github.com
/apache/calcite
package
-
issues.apache.org
/jira/browse/CALCITE-7532
web
Sources
- CVE List CVE-2026-46718
- GitHub Advisory GHSA-c2rv-hwqm-wjpg
- NVD CVE-2026-46718
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.