What is CVE-2026-75840?

CVE-2026-75840 is a high-severity vulnerability in Arcadedata Arcadedb, classified under CWE-1025. CVSS score: 7.5/10. Published 2026-08-18.

How severe is CVE-2026-75840?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Arcadedata Arcadedb

CVE-2026-75840

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Arcadedata Arcadedb

Weakness classification (CWE)

CWE-1025

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-75840?: CVE-2026-75840 is a high-severity vulnerability in Arcadedata Arcadedb, classified under CWE-1025. CVSS score: 7.5/10. Published 2026-08-18.
How severe is CVE-2026-75840?: High severity. CVSS v3 base score is 7.5 out of 10.