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CVE CVE-2026-53945

CVE-2026-53945

Node.js

Severity: MEDIUM
CVSS: 4CVSS
Published: 2026-06-24
Last modified: 2026-06-24
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE: CWE-367CWE-918

Description

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j

Summary

Description

References