CVE-2026-40251
medium
CVSS v3
6.5
CVSS v2
—
VIR risk
6.5
Description
Incus Vulnerable to Panic via Snapshot Bounds Check
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-40251
Vendor advisory: security-advisories@github.com — https://github.com/lxc/incus/security/advisories/GHSA-4m88-wxj4-9qj6
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | forky | fixed | 7.0.0-1 |
| debian | sid | fixed | 7.0.0-1 |
| debian | trixie | fixed | 6.0.4-2+deb13u7 |
| debian | bookworm | fixed | 5.0.2-5+deb12u6 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/lxc/incus/v6/cmd/incusd | <7.0.0 | 7.0.0 |
| GO | github.com/lxc/incus/v6/cmd/incusd | < 7.0.0 | 7.0.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| linuxcontainers | incus | {"endExcluding":"7.0.0"} | 7.0.0 |
References
- https://github.com/lxc/incus/blob/v6.22.0/internal/server/storage/backend.go
- https://github.com/lxc/incus/security/advisories/GHSA-4m88-wxj4-9qj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-40251
- https://github.com/lxc/incus
- https://security-tracker.debian.org/tracker/CVE-2026-40251
- https://github.com/advisories/GHSA-4m88-wxj4-9qj6
CWEs
CWE-129
Verify integrity in audit chain (admin only). AS-IS.