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SCA: security update for ghost (GHSA-g366-23fw-ggp6)

medium Tenable Self-Hosted Container Security Plugin ID 445658

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, when re-rendering posts, Ghost
 would refetch missing image dimensions by issuing an outbound HTTP request to the URL stored on an image
 card — without restricting that URL to trusted image hosts. An authenticated staff user able to create or
 edit posts could therefore point an image card at an attacker-chosen host and cause the Ghost server to
 request it on their behalf, including hosts on internal networks or cloud instance metadata endpoints that
 would not normally be reachable from the public internet. This vulnerability is fixed in 6.21.1.
 (CVE-2026-53946)

Solution

Update the ghost library and its related packages to version 6.21.2 or later.

See Also

https://github.com/advisories/GHSA-g366-23fw-ggp6

Plugin Details

Severity: Medium

ID: 445658

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/5/2026

Updated: 8/5/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.5

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2026-53946

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2026

Vulnerability Publication Date: 6/24/2026

Reference Information

CVE: CVE-2026-53946

cwe: CWE-918