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CVE-2026-103287— Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

Quick assessment

Affected
TryGhost Ghost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ghost 1.18.0 至 6.27.0 之前的版本在 Webhooks（Web 钩子）功能中存在一个服务器端请求伪造（SSRF）漏洞，允许具有工作人员权限的用户探测内部主机。拥有工作人员权限的攻击者可以构造 Webhook 请求，从而从 Ghost 服务器访问内部网络资源。

CVSS 2.7 · Low

Possible ATT&CK Techniques 1 AI

T1090 · Proxy
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I. Basic Information for CVE-2026-103287

Vulnerability Information
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Vulnerability Title
Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TryGhost Ghost 1.18.0 ~ 6.27.0 -

II. Public POCs for CVE-2026-103287

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III. Intelligence Information for CVE-2026-103287

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Vendor Advisories for CVE-2026-103287 (2)

Same Patch Batch · TryGhost · 2026-10-01 · 26 CVEs total

CVE-2026-103268 8.8 HIGH Ghost 1.0.0 before 6.62.0 Suspension Bypass via Password Reset
CVE-2026-103283 8.1 HIGH Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling
CVE-2026-103277 8.1 HIGH Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed
CVE-2026-103292 8.0 HIGH Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head
CVE-2026-103271 7.5 HIGH Ghost 4.0.0 before 6.63.0 Restricted Content Bypass
CVE-2026-103272 7.5 HIGH Ghost 2.10.0 before 6.63.0 Staff Enumeration via Content API
CVE-2026-103286 7.3 HIGH Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications
CVE-2026-103278 7.3 HIGH Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe
CVE-2026-103266 7.1 HIGH Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification
CVE-2026-103279 6.8 MEDIUM Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass
CVE-2026-103288 6.5 MEDIUM Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like
CVE-2026-103289 6.5 MEDIUM Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments
CVE-2026-103291 6.4 MEDIUM Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch
CVE-2026-103281 5.4 MEDIUM Ghost 3.23.0 before 6.23.0 API Key Exposure via Admin API
CVE-2026-103274 5.3 MEDIUM Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read
CVE-2026-103280 5.3 MEDIUM Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint
CVE-2026-103269 5.3 MEDIUM Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts
CVE-2026-103276 5.3 MEDIUM Ghost before 6.20.0 File Read via URL Encoding Bypass
CVE-2026-103284 4.3 MEDIUM Ghost 5.125.1 before 6.57.1 Information Disclosure via Feedback
CVE-2026-103282 4.3 MEDIUM Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Ghost
Same vendor: TryGhost
Same weakness: CWE-918

V. Comments for CVE-2026-103287

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