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TI-2026-67900 Aliases CVE-2026-105682GHSA-354h-gmhv-mr9c

Server-side request forgery in Ghost webhook trigger

Priority LOW 13CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-918 and the CVSS impact.

Summary

Ghost from 1.18.0 before 6.27.0 is affected. A server-side request forgery flaw in the webhooks feature lets a staff user make the Ghost server send requests to internal hosts. An attacker needs a staff account to probe internal hosts from the server (CWE-918).

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 1.18.0 until 6.27.0, an SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server. This issue is fixed in version 6.27.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th 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
TryGhostGhost1.18.0 to before 6.27.06.27.0Patch availableCNA
—ghost (npm)1.18.0 to before 6.27.06.27.0Patch availableGHSA-354h-gmhv-mr9c
  • Ghost VendorTryGhost Affected 1.18.0 to before 6.27.0 Fixed in 6.27.0 Patch available CNA
  • ghost (npm) Vendor— Affected 1.18.0 to before 6.27.0 Fixed in 6.27.0 Patch available GHSA-354h-gmhv-mr9c

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

Update Ghost to version 6.27.0, which fixes the npm package ghost and the TryGhost Ghost product.

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

  • Fix · CNA Ghost (TryGhost) Fixed in 6.27.0
  • Fix · GHSA-354h-gmhv-mr9c ghost (npm) Fixed in 6.27.0 Advisory →

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105682
  2. 2026-10-06 CISA SSVC decision points changed
  3. 2026-10-07 Alias added: GHSA-354h-gmhv-mr9c
  4. 2026-10-07 Fix available: npm/[email protected] · GHSA-354h-gmhv-mr9c
  5. 2026-10-07 CVSS score added · GHSA-354h-gmhv-mr9c
  6. 2026-10-07 Weakness changed · GHSA-354h-gmhv-mr9c
  7. 2026-10-07 6 new references · GHSA-354h-gmhv-mr9c

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