# CVE-2026-68578 — ArcadeData arcadedb

> As of 2026-08-03, CVE-2026-68578 is a HIGH-severity vulnerability in ArcadeData arcadedb, CVSS v3.1 7.5, EPSS 0.2% (11.8th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-68578 as of 2026-08-03; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-03

## What is CVE-2026-68578?

ArcadeDB versions before 26.7.3 fail to bind the authenticated principal in the MCP HTTP transport, causing all engine permission checks to silently pass as no-ops. Non-root MCP-allowed users can perform arbitrary database writes, DDL, schema mutations, and execute arbitrary JavaScript code via the query tool.

The record classifies CVE-2026-68578 under weakness class [CWE-306](https://intel.threadlinqs.com/cwe/CWE-306). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 64 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.5 — HIGH (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **CVSS v4.0 base score:** 7.7 (`CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 11.8% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-02, last modified 2026-08-03

## Is CVE-2026-68578 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **ArcadeData**: arcadedb

## How to fix CVE-2026-68578

No vendor patch reference has been recorded for CVE-2026-68578 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-68578

No threat campaign in the Threadlinqs corpus currently references CVE-2026-68578, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-04. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-6x73-v3rc-f57c)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/arcadedb-authentication-bypass-via-mcp-transport)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-68578
Full detection coverage and IOCs for threats exploiting CVE-2026-68578 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp