# CVE-2026-70592 — TryGhost Ghost

> As of 2026-08-05, CVE-2026-70592 is a MEDIUM-severity vulnerability in TryGhost Ghost, CVSS v3.1 5.5, EPSS 0.2% (22.0th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-70592 as of 2026-08-05; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-05

## What is CVE-2026-70592?

Ghost is a Node.js content management system. From 1.20.1 until 6.54.1, an Administrator-level user could remotely overwrite certain files on the filesystem through the database backup filename, leading to integrity and availability issues. The database export endpoint failed to reject path separators in the caller-supplied filename. This issue is fixed in version 6.54.1.

The record classifies CVE-2026-70592 under weakness class [CWE-22](https://intel.threadlinqs.com/cwe/CWE-22). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 62 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 22.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-04, last modified 2026-08-05

## Is CVE-2026-70592 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [TryGhost](https://intel.threadlinqs.com/vendors/tryghost): Ghost

## How to fix CVE-2026-70592

No vendor patch reference has been recorded for CVE-2026-70592 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-2026-70592

No threat campaign in the Threadlinqs corpus currently references CVE-2026-70592, 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. Last verified by Threadlinqs on 2026-08-06. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/TryGhost/Ghost/security/advisories/GHSA-cj62-hvv2-2q5h)

**Other references**

- [github.com](https://github.com/TryGhost/Ghost/commit/f466c300191a609ed36c8d7c5d1e33ccd440786b)
- [github.com (v6.54)](https://github.com/TryGhost/Ghost/releases/tag/v6.54.1)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-70592
Full detection coverage and IOCs for threats exploiting CVE-2026-70592 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp