CVE-2026-54839 Information disclosure in Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups

High 7.5 Published Updated

Unauthenticated attackers can access sensitive data in the Trinity Backup WordPress plugin, requiring an upgrade to secure the site.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-54839?

CVE-2026-54839 is a high-severity vulnerability in kingaddons Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-639

Which versions are affected by CVE-2026-54839?

How do I fix CVE-2026-54839?

No fix has been published for CVE-2026-54839 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-54839 being exploited?

There is no known exploitation of CVE-2026-54839 in the wild and no public exploit code.

Sources

Also known as GHSA-f5x4-57q2-55jv.

Is CVE-2026-54839 in your software?

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