CVE-2026-48755
Incus is a system container and virtual machine manager. Prior to version 7.1.0, improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to arbitrary command execution. Version 7.1.0 patches the issue.
CSIRTS triage
- What
- Multiple security issues in LXD could allow bypass of security restrictions or execution of arbitrary commands.
- Who is affected
- Deployments of LXD are affected.
- Urgency
- Remediation is necessary due to the potential for serious security breaches.
- Action
- Apply the latest security update for LXD.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.
Advisory coverage (2)
- criticalCVE-2026-48755: Incus is a system container and virtual machine manager. Prior to version 7.1.0, improper vali…nvd · 2026-08-21
- unknownDSA-6373-1 lxd - security updatedebian · 2026-06-28
External references
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