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CVE-2026-103287

Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

5.1 Medium

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.20%Unchanged since Oct 2, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.1

Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
CVE-2026-103287
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-918
Updated
2026-11-02
EUVDEUVD-2026-90680 5.1

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
EUVD-2026-90680
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-qhr2-wq77-6fjw 5.1

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the...

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
GHSA-qhr2-wq77-6fjw
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-918
Updated
2026-11-02
NVD 5.1

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
CVE-2026-103287
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-918
Updated
2026-11-02
OSV 5.1

Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
CVE-2026-103287
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-918
Updated
2026-11-02
OSVCVE-2026-105682 2.7

Ghost: Server-Side Request Forgery in Webhook Trigger

Ghost is a Node.js content management system. From 1.18.0 until 6.27.0, an SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server. This issue is fixed in version 6.27.0.

Record
CVE-2026-105682
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-918
Updated
2026-11-02
OSVGHSA-354h-gmhv-mr9c 2.7

Ghost: Server-Side Request Forgery in Webhook Trigger

Impact

An SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server.

Vulnerable versions

This vulnerability is present in Ghost from v1.18.0 up to v6.27.0.

Patches

v6.27.0 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

References

Ghost thanks 0xkakash1, rooks00, l3tchupkt, Wernerina, [email protected], and Mohamed Bassia for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at [email protected].

Record
GHSA-354h-gmhv-mr9c
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-918
Updated
2026-11-02
OSVBIT-ghost-2026-103287 No score

Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook

Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources from the Ghost server.

Record
BIT-ghost-2026-103287
Updated
2026-11-02
OSVBIT-ghost-2026-105682 No score

Ghost: Server-Side Request Forgery in Webhook Trigger

Ghost is a Node.js content management system. From 1.18.0 until 6.27.0, an SSRF vulnerability in the webhooks feature allowed staff users to probe internal hosts from the Ghost server. This issue is fixed in version 6.27.0.

Record
BIT-ghost-2026-105682
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ghost
Bitnami
From an advisory covering 2 CVEs
 1.18.0 up to 6.27.0
6.27.0
ghost
npm
From an advisory covering 2 CVEs
 1.18.0 up to 6.27.0
6.27.0

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-103287 is a medium vulnerability (CVSS 5.1) in Tryghost Ghost, published October 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.

References

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