Medium severity · published Oct 1, 2026
CVE-2026-103274
Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Ghost versions 5.3.0 before 6.58.0 fail to properly enforce access controls on comments in private mode. Unauthenticated visitors can read comments that should be restricted, bypassing privacy settings.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
5.3.0 before 6.58.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103274
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103274
vendor-advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-5ppm-p957-x46r
third-party-advisory
https://www.vulncheck.com/advisories/ghost-5.3.0-before-6.58.0-unauthenticated-comment-read
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