CVE-2026-82841 UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migration Notice

Medium 5.3 Published Updated

Authenticated subscribers can retrieve remote storage credentials if the site is in a specific post-migration state due to missing capability checks.

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

What is CVE-2026-82841?

CVE-2026-82841 is a medium-severity vulnerability in Unknown UpdraftPlus: WP Backup & Migration Plugin, published on 27 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 1.26.8, UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 2.26.8.26 does not have any capability check in a routine that outputs its stored remote storage settings into admin pages when the site is left in a particular post-migration state, allowing any authenticated user, such as a subscriber, to retrieve the credentials of the configured backup destinations, such as passwords and secret keys.

Weakness: CWE-200

Which versions are affected by CVE-2026-82841?

How do I fix CVE-2026-82841?

No fix has been published for CVE-2026-82841 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-82841 being exploited?

There is no known exploitation of CVE-2026-82841 in the wild and no public exploit code.

Sources

Also known as GHSA-c9rv-8jhm-3c35.

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