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CVE-2026-46718

28
FAUCET Score

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.

First published: Jun 2, 2026Last modified: Jun 2, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.5.0, < 1.42.0CPE matchmatch criteria
cpe:2.3:a:apache:calcite:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 22nd percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.calcite:calcite-coreFixed in: 1.42.0
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

mavenGHSA-c2rv-hwqm-wjpgmedium

Apache Calcite is Vulnerable to Use of Externally-Controlled Input to Select Classes

Jun 2, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11194.html

CVE-2026-46718: Apache Calcite: A user-controled model can load arbitrary classes, leading to code execution

Jun 1, 2026

References

openwall.com / lists/oss-security/2026/06/01/7
Mailing ListThird Party Advisory
lists.apache.org / thread/9s37svo343w5ck1ovh478lkzcqk4949v
Mailing ListVendor Advisory