Medium severity · published Oct 1, 2026
CVE-2026-103280
Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Ghost from version 0.8.0 before 6.23.0 contains an information disclosure vulnerability in its setup endpoint: the endpoint responds to unauthenticated requests with the site owner's email address, allowing any remote visitor to obtain it.
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 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
0.8.0 before 6.23.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103280
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103280
vendor-advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-5685-hwm9-62cg
third-party-advisory
https://www.vulncheck.com/advisories/ghost-0.8.0-before-6.23.0-information-disclosure-via-setup-endpoint
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