TI-2026-67895 Aliases CVE-2026-105677 GHSA-jj74-hc2q-xrvm

Code execution via theme translation files in Ghost CMS

LOW 34CWE-22Published 2026-10-05 · Updated 2026-10-06

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-829.

Summary

Ghost, a Node.js content management system, is affected from 6.10.3 before 6.64.0. A flaw in how Ghost loads theme translation files lets an authenticated Administrator execute arbitrary code on the server through a crafted theme (CWE-94).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Ghost is a Node.js content management system. From 6.10.3 until 6.64.0, a vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to execute arbitrary code on the server via a crafted theme. This issue is fixed in version 6.64.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00524 44th percentileScored 2026-11-07

Fix Fixed Ghost (TryGhost): 6.64.0ghost (npm): 6.64.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TryGhost	Ghost	6.10.3 to before 6.64.0	6.64.0	Patch available	CNA
—	ghost (npm)	6.10.3 to before 6.64.0	6.64.0	Patch available	GHSA-jj74-hc2q-xrvm

Ghost VendorTryGhost Affected 6.10.3 to before 6.64.0 Fixed in 6.64.0 Patch available CNA
ghost (npm) Vendor— Affected 6.10.3 to before 6.64.0 Fixed in 6.64.0 Patch available GHSA-jj74-hc2q-xrvm

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:ghost:ghost::::::::	—	—	TryGhost

cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:* Versions — — ·TryGhost

Remediation

Update Ghost to version 6.64.0, which fixes this issue. The npm package ghost is fixed in 6.64.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA Ghost (TryGhost) Fixed in 6.64.0
Fix · GHSA-jj74-hc2q-xrvm ghost (npm) Fixed in 6.64.0 Advisory →

Timeline

2026-10-05 Threatist record created from CVE-2026-105677
2026-10-06 CISA SSVC decision points changed
2026-10-06 Priority changed: MEDIUM → LOW
2026-10-07 Alias added: GHSA-jj74-hc2q-xrvm
2026-10-07 Fix available: npm/[email protected] · GHSA-jj74-hc2q-xrvm
2026-10-07 CVSS score added · GHSA-jj74-hc2q-xrvm
2026-10-07 Weakness changed · GHSA-jj74-hc2q-xrvm
2026-10-07 6 new references · GHSA-jj74-hc2q-xrvm

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-105677

Other 5

TI-2026-21459 Ghost has a SQL Injection in its Content API CVSS 3.1CRITICAL 9.4
TI-2022-10277 An arbitrary file upload vulnerability in the file upload module of Ghost v4.39.0 allows… CVSS 3.1CRITICAL 9.8
TI-2024-22785 Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit… CVSS 3.1CRITICAL 9.1
TI-2023-14843 Ghost vulnerable to disclosure of private API fields CVSS 3.1HIGH 7.5
TI-2025-09049 Ghost 6.0.6 - SSRF via oEmbed Bookmark CVSS 4.0MEDIUM 6.1
TI-2023-20918 Arbitrary file read via symlinks in Ghost CVSS 3.1MEDIUM 6.5

See all 109 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences