{"id":"CVE-2026-75840","title":"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","summary":"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 …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-1025"],"published":"2026-08-18","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:32:39.347","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75840","references":[{"url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-wx28-2265-f788","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/arcadedb-before-arbitrary-file-read-via-unescaped-regex","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-wx28-2265-f788","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00397,"epssPercentile":0.33788,"ingestedAt":"2026-09-08T21:11:12.280Z","slug":"CVE-2026-75840","body":"## Overview\n\nArcadeDB 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}