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GHSA-cj62-hvv2-2q5h

MediumCVSS 5.5 / 10
Published Aug 4, 2026·Last modified Aug 4, 2026
Affected Components(0)

No affected components available

Description

Impact

An Administrator-level user could remotely overwrite certain files on the filesystem leading to integrity and availability issues.

Vulnerable versions

This vulnerability is present in Ghost from 1.20.1 up to v6.54.0.

Patches

v6.54.1 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

Workarounds

If upgrading immediately is not possible, set disableJSBackups to "true" by running:

$ ghost config set disableJSBackups true
$ ghost restart

References

Ghost thanks Jorian Woltjer of Aikido Security, Mitchell Benjamin of Revamp Studio, and meifukun for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email Ghost at security@ghost.org.

Risk Scores
Base Score
5.5

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.

Threat Intelligence
5.1

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-70592
    Alias
  • EUVD-2026-52974
    Alias

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Medium severity
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