CVE-2025-54291

Publication date 2 October 2025

Last updated 16 January 2026


Ubuntu priority

Description

Information disclosure in images API in Canonical LXD before 6.5 and 5.21.4 on all platforms allows unauthenticated remote attackers to determine project existence via differing HTTP status code responses.

Read the notes from the security team

Status

Package Ubuntu Release Status
lxd 25.10 questing Not in release
25.04 plucky Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected

Notes


iconstantin

API endpoint logic to query for projects introduced in later versions.