What is CVE-2026-104416?

CVE-2026-104416 is a high-severity vulnerability in Tryghost Ghost, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2026-10-02.

How severe is CVE-2026-104416?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Tryghost Ghost

CVE-2026-104416

Ghost from 4.39.0 before 6.64.0 contains an information disclosure vulnerability in the Admin API that allows staff users to view secret tokens of pending staff invites. Staff users with invite viewing permission can accept pending invites for higher-privileged roles to escalate their privileges.

Published 2026-10-02.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Tryghost Ghost

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

github.com/TryGhost/Ghost/security/advisories/GHSA-v6q3-xqxm-6f5v (vendor-advisory)
www.vulncheck.com/advisories/ghost-4.39.0-before-6.64.0-invite-token-disclosure… (third-party-advisory)

Frequently asked questions

What is CVE-2026-104416?: CVE-2026-104416 is a high-severity vulnerability in Tryghost Ghost, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2026-10-02.
How severe is CVE-2026-104416?: High severity. CVSS v3 base score is 7.5 out of 10.