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CVE-2026-103288— Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like

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 是一个开源发布平台，其 5.9.0 至 6.44.1（不含）版本中的评论点赞功能存在输入验证缺陷。经过身份验证的成员可以删除其他用户拥有的、且其本身无权删除的评论点赞或点踩记录，从而导致授权绕过，并造成对评论互动数据的不当修改。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-103288

Vulnerability Information
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Vulnerability Title
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized to delete, resulting in an authorization bypass and unauthorized modification of comment engagement data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TryGhost Ghost 5.9.0 ~ 6.44.1 -

II. Public POCs for CVE-2026-103288

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III. Intelligence Information for CVE-2026-103288

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Other References for CVE-2026-103288 (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-2026-103289 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
CVE-2026-103275 4.3 MEDIUM Ghost 5.42.2 before 6.58.0 Password Hash Disclosure

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

IV. Related Vulnerabilities

Same product: Ghost
Same vendor: TryGhost
Same weakness: CWE-639

V. Comments for CVE-2026-103288

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