Vulnerability · CVE-2025-54291
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 HT
Published Oct 2, 2025 · catalog updated Oct 2, 2025 · Canonical LXD
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-54291. EPSS is 0.39%. Act only if a listed version of Canonical LXD is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-54293 · High
- CVE-2025-54292 · Medium
- CVE-2025-54290 · Medium
- CVE-2025-54289 · High
- CVE-2025-54288 · Medium
- Severity
- Medium6.9
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.39%
- Remediation
- Version ranges on file
- Affected products
- vendor Canonical LXD 5.21 <5.21.4
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Canonical LXD 5.21 <5.21.45.21 <5.21.4
How to fix CVE-2025-54291
Upgrade
CVE-2025-54291 lists a fix boundary at 5.21.4. Compare the installed build with that boundary before you change production.
Version check
Seen in 5.21 <5.21.4
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-54291. EPSS is 0.39%. Act only if a listed version of Canonical LXD is installed.
Which versions are affected?
Compare what you have installed with Canonical LXD 5.21 <5.21.4 5.21 <5.21.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 2, 2025 · EUVD
Detected
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.
Oct 2, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-54291
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-54291
30-day exploitation probability 0.39%
first.org - EUVDVulnerability recordEUVD-2025-32641
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.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 1, 2026
- CVE.orgOct 23, 2026
- EUVDOct 23, 2026