Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Ghost versions 5.3.0 before 6.62.0 contain a missing authorization vulnerability that allows an authenticated site member to read the excerpts of posts they do not have access to (gated content).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Ghost (TryGhost) Fixed in 6.62.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
TryGhost Ghost 6.62.0
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-65643 Ghost 1.0.0 before 6.62.0 Suspension Bypass via Password ResetPriority MEDIUM 40
- TI-2026-65641 Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account ModificationPriority LOW 31
- TI-2026-65642 Ghost 0.5.0 before 6.62.0 Arbitrary Email Registration via Staff InvitePriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2026-103269
- 2026-10-03 Alias added: GHSA-cg23-423q-wg36
References
More TryGhost vulnerabilities
- 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
Sources
- CVE-2026-103269 · CVE Program
- CVE-2026-103269 · NVD
- FIRST EPSS
- GHSA-cg23-423q-wg36 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences