CVE-2026-103280: Insertion of Sensitive Information Into Sent Data in TryGhost Ghost
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.
AI Analysis
Technical Summary
The Ghost blogging platform contains an information disclosure vulnerability in its setup endpoint in versions >=0.8.0 and <6.23.0. The vulnerability allows unauthenticated remote attackers to retrieve the site owner's email address by sending requests to the setup endpoint. This exposure of sensitive information could potentially aid in further targeted attacks or phishing attempts.
Potential Impact
The vulnerability discloses the site owner's email address to unauthenticated remote users. While this does not directly allow system compromise, it leaks sensitive information that could be used for social engineering or spam. There is no indication of further exploitation or system control from this vulnerability.
Mitigation Recommendations
A fix is available in Ghost version 6.23.0. Users should upgrade to version 6.23.0 or later to remediate this information disclosure vulnerability. No other mitigation steps are indicated.
CVE-2026-103280: Insertion of Sensitive Information Into Sent Data in TryGhost Ghost
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 v4.0
Score 6.9medium
Affected software
TryGhost
Ghost
pkg:github/tryghost/GhostRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Ghost blogging platform contains an information disclosure vulnerability in its setup endpoint in versions >=0.8.0 and <6.23.0. The vulnerability allows unauthenticated remote attackers to retrieve the site owner's email address by sending requests to the setup endpoint. This exposure of sensitive information could potentially aid in further targeted attacks or phishing attempts.
Potential Impact
The vulnerability discloses the site owner's email address to unauthenticated remote users. While this does not directly allow system compromise, it leaks sensitive information that could be used for social engineering or spam. There is no indication of further exploitation or system control from this vulnerability.
Mitigation Recommendations
A fix is available in Ghost version 6.23.0. Users should upgrade to version 6.23.0 or later to remediate this information disclosure vulnerability. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-30T10:59:00.639Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe7486a43b0b3b89bd1c4b
Added to database: 10/01/2026, 14:56:06 UTC
Last enriched: 10/01/2026, 15:15:49 UTC
Last updated: 10/01/2026, 22:26:12 UTC
Views: 4
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