CVE-2026-48749: Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image

June 26, 2026 (updated November 5, 2026)

A specially crafted image can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution.

References

github.com/advisories/GHSA-2q3f-q5pq-g8wv
github.com/canonical/lxd/security/advisories/GHSA-vghh-5rfx-xhq8
github.com/lxc/incus/security/advisories/GHSA-2q3f-q5pq-g8wv
nvd.nist.gov/vuln/detail/CVE-2026-48749

Code Behaviors & Features

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