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Path traversal in Ghost lets administrators read JSON files

Priority LOW 23CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

Ghost from 1.20.0 before 6.64.0 is affected. A flaw in how Ghost loads theme translation files lets it read JSON files outside the active theme's directory, a path traversal weakness (CWE-22). An authenticated administrator can use this over the network, potentially exposing server configuration secrets.

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 1.20.0 until 6.64.0, a vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to read JSON files outside of the active theme's directory, potentially exposing server configuration secrets. This issue is fixed in version 6.64.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00403 34th 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TryGhostGhost1.20.0 to before 6.64.06.64.0Patch availableCNA
—ghost (npm)1.20.0 to before 6.64.06.64.0Patch availableGHSA-m382-6jw4-fmp6
  • Ghost VendorTryGhost Affected 1.20.0 to before 6.64.0 Fixed in 6.64.0 Patch available CNA
  • ghost (npm) Vendor— Affected 1.20.0 to before 6.64.0 Fixed in 6.64.0 Patch available GHSA-m382-6jw4-fmp6

CPE names Threatist (inferred) · 1

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

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

Remediation

Upgrade 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-m382-6jw4-fmp6 ghost (npm) Fixed in 6.64.0 Advisory →

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105676
  2. 2026-10-06 CISA SSVC decision points changed
  3. 2026-10-07 Alias added: GHSA-m382-6jw4-fmp6
  4. 2026-10-07 Fix available: npm/[email protected] · GHSA-m382-6jw4-fmp6
  5. 2026-10-07 CVSS score added · GHSA-m382-6jw4-fmp6
  6. 2026-10-07 Weakness changed · GHSA-m382-6jw4-fmp6
  7. 2026-10-07 7 new references · GHSA-m382-6jw4-fmp6

References

  • 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