CVE-2026-87799
Canonical LXD
- Canonical LXD
- Critical
- CVSS 9.9
- EPSS 0.41%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Canonical LXD (Linux) | from 4.0.0, before 4.0.14; from 5.0.0, before 5.0.10; from 5.21.0, before 5.21.8; from 6.0, before 6.10 | 4.0.14, 5.0.10, 5.21.8, 6.10 |
Advisories and fixes
- Vendor advisory github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.9 (v3.1, scored by canonical)
- EPSS
- 0.41% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 26, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Sep 28, 2026.
- Weakness
- CWE-59: Improper link resolution before file access ('link following')
- Vendor
- Canonical, LXD
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.