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CVE-2026-75840

7.5 · HIGH

ArcadeDB before 26.8.1 contains an arbitrary file read vulnerability in the GraalVM JavaScript sandbox allowlist enforcement, which uses unescaped regular expressions to validate package names.

Published Aug 18, 2026CWE-1025EPSS 0.43%

Overview

CVE-2026-75840 is a high-severity vulnerability. It was published on August 18, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ArcadeDB before 26.8.1 contains an arbitrary file read vulnerability in the GraalVM JavaScript sandbox allowlist enforcement, which uses unescaped regular expressions to validate package names. Attackers with trigger creation privileges can use Java.type() to access java.util.zip.ZipFile or java.util.jar.JarFile classes and read arbitrary files on the host system as the ArcadeDB server process.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/ArcadeData/arcadedb/security/advisories/GHSA-wx28-2265-f788Refwww.vulncheck.com/advisories/arcadedb-before-arbitrary-file-read-via-unescaped-regexGitHubgithub.com/ArcadeData/arcadedb/security/advisories/GHSA-wx28-2265-f788

How CyberStrike helps

Frequently asked questions

What is CVE-2026-75840?

CVE-2026-75840 is a high-severity vulnerability. It was published on August 18, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-75840?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-75840?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-75840?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-75840 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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