Incus has an argument injection in backup compression algorithm leading to AFW and ACE

Why this deserves its current priority

CVSS is 9.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps lxc/incus (generic), github.com/lxc/incus (go), github.com/lxc/incus/v6 (go), github.com/lxc/incus/v7 (go) and additional mapped packages. Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for lxc/incus, github.com/lxc/incus, github.com/lxc/incus/v6.
2. 2Review the reported fix. Update github.com/lxc/incus/v7 to 7.2.0; github.com/lxc/incus/v7/cmd/incusd to 7.2.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Aug 21, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Aug 21, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Jun 26, 2026

Sources and claim methodology

• GitHub security advisorygithub.com
• GitHub security advisorygithub.com

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