CVE-2026-22595 | Ghost has Staff Token permission bypass

Ghost is a Node.js content management system. In versions 5.121.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. This issue has been patched in versions 5.130.6 and 6.11.0.

Published: 2026-01-10 Last update: 2026-01-15 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-22595 is rated Low Risk (35.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-22595

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-18 0.06% 0.03% -0.03%
2 2026-01-10 0.06%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-22595

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.2 [email protected]

Weakness enumeration for CVE-2026-22595

GitHub Security Advisory for CVE-2026-22595

GHSA-9xg7-mwmp-xmjx · Severity: high · Ecosystem: npm — Ghost has Staff Token permission bypass

Affected software / configurations for CVE-2026-22595

Vendor Product Version Raw CPE
ghost ghost >= 5.121.0, < 5.130.6 cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*
ghost ghost >= 6.0.0, < 6.11.0 cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*

References for CVE-2026-22595

cvelogic Threat Intelligence