CVE-2026-84458 | Zammad up to 7.1.1 Account Linking improper authentication

September 25, 2026 Yanac

A vulnerability identified as critical has been detected in Zammad up to 7.1.1. The affected element is an unknown function of the component Account Linking. The manipulation leads to improper authentication.

This vulnerability is referenced as CVE-2026-84458. Remote exploitation of the attack is possible. No exploit is available.

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