CVE-2026-48755: Incus has an argument injection in backup compression algorithm leading to AFW and ACE

June 26, 2026 (updated November 5, 2026)

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.

References

github.com/advisories/GHSA-v6mj-8pf4-hhw4
github.com/canonical/lxd/security/advisories/GHSA-fmc8-p6q7-75cc
github.com/lxc/incus/security/advisories/GHSA-v6mj-8pf4-hhw4
nvd.nist.gov/vuln/detail/CVE-2026-48755

Code Behaviors & Features

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