Ghost has SSRF via External Media Inliner

CVE-2026-22597 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

Description

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 [email protected].

Basic information

Type
reviewed
Severity
medium
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2026-01-08 21:36:03 UTC
Updated
2026-01-11 14:55:25 UTC
GitHub reviewed
2026-01-08 21:36:03 UTC
NVD published
2026-01-09

EPSS Score

Score Percentile
0.06% 17.86%

CVSS Scores

Base score Version Severity Vector
5.1 4.0 —
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 Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network.
Attack complexity (AC:L)
Exploitation conditions are straightforward and stable.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:H)
High privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:N)
No confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:N)
No integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:N)
No availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:L)
Limited confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:N)
No integrity impact on subsequent systems.
Subsequent system availability impact (SA:N)
No availability impact on subsequent systems.

Identifiers

Type Value
GHSA GHSA-vmc4-9828-r48r ↗
CVE CVE-2026-22597 ↗

CWEs

CWE id Name
CWE-918 Server-Side Request Forgery (SSRF)

Credits

  • odgrso (reporter)

Affected packages (2)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
npm ghost >= 6.0.0, <= 6.10.3 6.11.0 —
npm ghost >= 5.105.0, <= 5.130.5 5.130.6 —

References

cvelogic Threat Intelligence