TeamUpdraft keys stolen, WordPress backdoors installed

Stolen TeamUpdraft keys let attackers install WordPress backdoors on 400,000 sites.

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Oct 21, 2026

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TeamUpdraft keys stolen, WordPress backdoors installed

Stolen TeamUpdraft keys let attackers install WordPress backdoors on 400,000 sites.

In brief

Stolen TeamUpdraft keys let attackers install WordPress backdoors on 400,000 sites. TeamUpdraft's stolen UpdraftCentral keys enabled attackers to install backdoors on connected WordPress sites. Originally reported by RuntimeWire.

TeamUpdraft keys compromised

TeamUpdraft identified unauthorized access to its website over the weekend of October 17th-18th.

400,000 sites at risk

The incident put credentials for UpdraftCentral, UpdraftVault and UpdraftClone at risk for 400,000 sites.

Attackers installed backdoors

Attackers installed backdoors

Attackers used stolen keys to install backdoors on connected WordPress sites.

The main idea

TeamUpdraft's stolen UpdraftCentral keys enabled attackers to install backdoors on connected WordPress sites.

Read the original on RuntimeWire

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