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Ubuntu Security NoticesUSN-8957-1

USN-8957-1: authd vulnerability

Severity not listed 0 CVEs Published Oct 27, 2026 at 4:23 PM UTC

Summary

Ali Mashally discovered that authd did not properly validate user identities when matching accounts from identity providers. An attacker could possibly use this issue to gain access to another user's local account and files, resulting in unauthorized access to sensitive information.

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 0

No CVE identifiers were listed in the collected bulletin.

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.