CVE-2026-46718: CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') in Apache Software Foundation Apache Calcite
Apache Calcite versions from 1.5.0 up to but not including 1.42 contain a vulnerability involving unsafe reflection, where externally-controlled input is used to select classes or code. This can lead to limited confidentiality and integrity impacts. The issue is fixed in version 1.42.
AI Analysis
Technical Summary
CVE-2026-46718 is a CWE-470 vulnerability in Apache Calcite that allows unsafe reflection due to the use of externally-controlled input to select classes or code. This vulnerability affects Apache Calcite starting from version 1.5.0 through versions prior to 1.42. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level, with network attack vector, low attack complexity, no privileges or user interaction required, and impacts limited confidentiality and integrity. Users are advised to upgrade to version 1.42, which addresses this issue.
Potential Impact
The vulnerability allows an attacker to influence class or code selection via external input, potentially leading to unauthorized information disclosure and modification of data (confidentiality and integrity impacts). Availability is not affected. The attack can be performed remotely without authentication or user interaction.
Mitigation Recommendations
Upgrade Apache Calcite to version 1.42 or later, where this vulnerability is fixed. No other remediation or temporary fixes are indicated. Patch status is confirmed by the recommendation to upgrade to 1.42.
CVE-2026-46718: CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') in Apache Software Foundation Apache Calcite
Description
Apache Calcite versions from 1.5.0 up to but not including 1.42 contain a vulnerability involving unsafe reflection, where externally-controlled input is used to select classes or code. This can lead to limited confidentiality and integrity impacts. The issue is fixed in version 1.42.
CVSS v3.1
Score 6.5medium
Affected software
pkg:maven/org.apache.calcite/calciteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46718 is a CWE-470 vulnerability in Apache Calcite that allows unsafe reflection due to the use of externally-controlled input to select classes or code. This vulnerability affects Apache Calcite starting from version 1.5.0 through versions prior to 1.42. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level, with network attack vector, low attack complexity, no privileges or user interaction required, and impacts limited confidentiality and integrity. Users are advised to upgrade to version 1.42, which addresses this issue.
Potential Impact
The vulnerability allows an attacker to influence class or code selection via external input, potentially leading to unauthorized information disclosure and modification of data (confidentiality and integrity impacts). Availability is not affected. The attack can be performed remotely without authentication or user interaction.
Mitigation Recommendations
Upgrade Apache Calcite to version 1.42 or later, where this vulnerability is fixed. No other remediation or temporary fixes are indicated. Patch status is confirmed by the recommendation to upgrade to 1.42.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-15T23:55:08.288Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1eaa86e29bf47b50bc57d9
Added to database: 06/02/2026, 10:03:50 UTC
Last enriched: 07/10/2026, 09:49:37 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 125
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.