CVE-2026-103283 Ghost - Authentication Bypass

Ghost 6.20.0 < 6.57.1 contains a broken authentication caused by improper session handling, letting authenticated staff users bypass two-factor authentication and impersonate other staff users, exploit requires valid staff credentials.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-613

Vendor fix

Upgrade to version 6.57.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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