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

CVE-2026-54839

Unauthenticated Sensitive Data Exposure in Trinity Backup &#8211; Backup, Migrate, Restore, Clone &amp; Schedule Backups <= 2.0.9 versions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.004 (31.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-54839: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54839?
CVE-2026-54839 is a high-severity vulnerability in Kingaddons Trinity Backup &#8211; 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.