What is CVE-2026-54839?

CVE-2026-54839 is a high-severity vulnerability in Kingaddons Trinity Backup – Backup, Migrate, Restore, Clone &Amp; Schedule Backups, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-26.

How severe is CVE-2026-54839?

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

Auth bypass in Kingaddons Trinity Backup – Backup, Migrate, Restore, Clone &Amp; Schedule Backups

CVE-2026-54839

Unauthenticated Sensitive Data Exposure in Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups <= 2.0.9 versions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

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

Affected products

Kingaddons Trinity Backup – Backup, Migrate, Restore, Clone &Amp; Schedule Backups — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-54839?: CVE-2026-54839 is a high-severity vulnerability in Kingaddons Trinity Backup – Backup, Migrate, Restore, Clone &Amp; Schedule Backups, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-26.
How severe is CVE-2026-54839?: High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Kingaddons Trinity Backup &#8211; Backup, Migrate, Restore, Clone &Amp; Schedule Backups