USN-8212-1: authd vulnerability
Publication date
27 April 2026
Overview
authd could be made to escalate privileges.
Releases
Packages
- authd - Authentication daemon for cloud-based identity provider
Details
It was discovered that authd incorrectly assigned the primary group ID to
users under certain conditions. A local attacker could possibly use this
issue to achieve privilege escalation, or gain unauthorized access to files
belonging to other users.
It was discovered that authd incorrectly assigned the primary group ID to
users under certain conditions. A local attacker could possibly use this
issue to achieve privilege escalation, or gain unauthorized access to files
belonging to other users.
Update instructions
After a standard system update you need to restart authd to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | authd – 0.6.1ubuntu0.1 | ||
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