Critical [CVE-2026-48749] Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image
This critical-severity Red Hat Linux advisory covers CVE-2026-48749.
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Summary
Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution.
Version 7.2.0 fixes the issue. Incus is not shipped in any Red Hat product.
The community Fedora package is affected. Red Hat severity: Critical — CVSS 9.9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Weakness: CWE-61.
- < 7.2.0
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
Mitigation checklist
- No mitigation is needed as Incus is not shipped in any Red Hat product.
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
Discussion(0)
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