Vulnerabilities

Vulnerability · 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…

Published Aug 18, 2026 · catalog updated Oct 22, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-75840. EPSS is 0.43%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Advisory link
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-75840

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-75840. EPSS is 0.43%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1025. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 18, 2026 · NIST NVD

    Detected

    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.

  2. Oct 22, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-75840

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-75840

    30-day exploitation probability 0.43%

    first.org
  • NIST NVDVulnerability recordCVE-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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

CVE-2026-75840: ArcadeDB before 26.8.1 contains an arbitrary file r… · ZeroDay Findings