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TI-2026-68328 Aliases CVE-2026-105683GHSA-83rp-q473-j88c

Path traversal in Ghost ImageSize service exposes local files

Priority LOW 18CWE-35Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

Ghost, a Node.js content management system, is affected from 6.14.0 before 6.27.0. An input validation issue (CWE-35) may let a staff user access local files outside the intended data storage directories on the server. An attacker needs a high-privilege staff account on the network, and the impact is limited to confidentiality and availability.

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 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. This issue is fixed in version 6.27.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00314 24th percentileScored 2026-11-07
Fix Fixed Ghost (TryGhost): 6.27.0ghost (npm): 6.27.0

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
TryGhostGhost6.14.0 to before 6.27.06.27.0Patch availableCNA
—ghost (npm)6.14.0 to before 6.27.06.27.0Patch availableGHSA-83rp-q473-j88c
  • Ghost VendorTryGhost Affected 6.14.0 to before 6.27.0 Fixed in 6.27.0 Patch available CNA
  • ghost (npm) Vendor— Affected 6.14.0 to before 6.27.0 Fixed in 6.27.0 Patch available GHSA-83rp-q473-j88c

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 6.27.0, which fixes the issue.

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

  • Fix · CNA Ghost (TryGhost) Fixed in 6.27.0
  • Fix · GHSA-83rp-q473-j88c ghost (npm) Fixed in 6.27.0 Advisory →

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-105683
  2. 2026-10-07 Alias added: GHSA-83rp-q473-j88c
  3. 2026-10-07 Fix available: npm/[email protected] · GHSA-83rp-q473-j88c
  4. 2026-10-07 CVSS score added · GHSA-83rp-q473-j88c
  5. 2026-10-07 Weakness changed · GHSA-83rp-q473-j88c
  6. 2026-10-07 6 new references · GHSA-83rp-q473-j88c
  7. 2026-10-08 CISA SSVC decision points changed

References

Advisory 1

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