CVE-2026-48749
Crafted image allows host file access and breakout in Incus <7.2.0
Is CVE-2026-48749 being exploited?
Not confirmed. CVE-2026-48749 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.81% probability of exploitation in the next 30 days.
How severe is CVE-2026-48749?
CVE-2026-48749 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48749?
Yes. A fix has been recorded for CVE-2026-48749. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48749 affect?
CVE-2026-48749 affects Incus (system container & virtual machine manager) versions prior to 7.2.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48749?
Upgrade to Incus 7.2.0+, block untrusted images and audit host integrity
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Malicious image can read/write arbitrary host files and may enable command execution, leading to host compromise and container escape.
Immediate action required
- affected< 7.2.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.