CVE-2026-75840

ArcadeDB before 26.8.1 Arbitrary File Read via Unescaped Regex

HIGH
7.5
CVSS Score
Published: August 18, 2026 at 11:19 AM UTC
Updated: October 22, 2026 at 10:10 PM UTC
1 product affected across 1 vendorArcadeDB

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v < 26.8.10
Vendor states this is fixed in 26.8.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1025

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