GHSA-vmc4-9828-r48r

Suggest an improvement
Source
https://github.com/advisories/GHSA-vmc4-9828-r48r
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-vmc4-9828-r48r/GHSA-vmc4-9828-r48r.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-vmc4-9828-r48r
Aliases
Published
2026-01-08T21:36:03Z
Modified
2026-01-13T09:26:07.714683Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N CVSS Calculator
Summary
Ghost has SSRF via External Media Inliner
Details

Impact

A vulnerability in Ghost’s media inliner mechanism allows staff users in possession of a valid authentication token for the Ghost Admin API to exfiltrate data from internal systems via SSRF.

Vulnerable versions

This vulnerability is present in Ghost v5.38.0 to v5.130.5 to and Ghost v6.0.0 to v6.10.3.

Patches

v5.130.6 and v6.11.0 contain a fix for this issue.

References

Ghost thanks Sho Odagiri of GMO Cybersecurity by Ierae, Inc. for discovering and disclosing this vulnerability responsibly.

For more information

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

Database specific
{
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-08T21:36:03Z",
    "cwe_ids": [
        "CWE-918"
    ],
    "severity": "MODERATE",
    "nvd_published_at": "2026-01-10T03:15:50Z"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
6.0.0
Fixed
6.11.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-vmc4-9828-r48r/GHSA-vmc4-9828-r48r.json"

last_known_affected_version_range

"<= 6.10.3"

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
5.105.0
Fixed
5.130.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-vmc4-9828-r48r/GHSA-vmc4-9828-r48r.json"

last_known_affected_version_range

"<= 5.130.5"