Security readout for executives and security teams
Plain-English summary
Ghost CMS had an authorization flaw where integrations using Staff Tokens for Admin or Owner users could reach endpoints meant only for logged-in staff sessions. This could let trusted external systems perform unintended high-impact administrative actions. Ghost patched the issue in 5.130.6 and 6.11.0.
Executive priority
Treat as a high-priority patch for Ghost sites using Admin or Owner Staff Tokens. The issue does not appear publicly exploited from provided sources, but it affects administrative authorization boundaries and can impact content integrity or service availability.
Technical view
CVE-2026-22595 is a CWE-863 incorrect authorization issue in Ghost Staff Token authentication. Affected versions are 5.121.0 through before 5.130.6 and 6.0.0 through before 6.11.0. CVSS 3.1 is 8.1, with network access, low complexity, low privileges, no user interaction, and high integrity and availability impact.
Likely exposure
Exposure is limited to Ghost installations in the affected version ranges that use Staff Tokens tied to Admin or Owner-role users. Internet-facing admin APIs or heavily integrated publishing workflows may have higher operational risk.
Exploitation context
The source bundle does not report active exploitation, and CISA KEV status is false. Exploitation requires an already authenticated Staff Token for an Admin or Owner user, so this is most relevant where tokens are shared with external systems or automation.
Researcher notes
The advisory states certain Staff Session-only endpoints were reachable through Staff Token authentication. Public sources identify affected ranges and patched versions but do not enumerate endpoint impact in the provided summary. Avoid assuming broader product impact beyond Ghost and the listed versions.
Mitigation direction
- Upgrade Ghost 5.x installations to 5.130.6 or later.
- Upgrade Ghost 6.x installations to 6.11.0 or later.
- Review vendor advisory and release guidance before applying changes.
- Inventory Admin and Owner Staff Tokens used by integrations.
- Rotate or revoke unnecessary high-privilege Staff Tokens after patching.
Validation and detection
- Identify all Ghost instances and confirm installed versions.
- Check whether versions fall within 5.121.0-5.130.5 or 6.0.0-6.10.3.
- Review configured Staff Tokens for Admin or Owner users.
- Confirm patched versions are deployed after maintenance.
- Review integration activity for unexpected administrative actions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-22595 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9xg7-mwmp-xmjxCVE reference · x_refsource_CONFIRM
- https://github.com/TryGhost/Ghost/commit/9513d2a35c21067127ce8192443d8919ddcefcc8CVE reference · x_refsource_MISC
- https://github.com/TryGhost/Ghost/commit/c3017f81a5387b253a7b8c1ba1959d430ee536a3CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.