CVE-2026-41647: GO-2026-5384 - Incus has Nil-Pointer Dereference via S3 Bucket Import in github.com/lxc/incus

CVE-2026-41647 · Severity: medium · CVSS 6.5 · Published 2026-05-07

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.

Technologies: github.com/lxc/incus (Go), github.com/lxc/incus/v6 (Go), github.com/lxc/incus/v6/cmd/incusd (Go), Linuxcontainers Incus. Vendors: Go, Linuxcontainers.

Quick answers

Is CVE-2026-41647 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-41647 being exploited in the wild.
How severe is CVE-2026-41647?
Medium severity, with a CVSS score of 6.5, published 7 May 2026.
Which products and versions are affected?
github.com/lxc/incus (Go) SEMVER:introduced=0; github.com/lxc/incus/v6 (Go) SEMVER:introduced=0; github.com/lxc/incus/v6/cmd/incusd (Go) SEMVER:introduced=0,last_affected=6.23.0.
Is there a fix for CVE-2026-41647?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-41647?
Check whether you run github.com/lxc/incus (Go), github.com/lxc/incus/v6 (Go), github.com/lxc/incus/v6/cmd/incusd (Go) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • github.com/lxc/incus (Go) SEMVER:introduced=0
  • github.com/lxc/incus/v6 (Go) SEMVER:introduced=0
  • github.com/lxc/incus/v6/cmd/incusd (Go) SEMVER:introduced=0,last_affected=6.23.0
  • Linuxcontainers Incus

Identifiers

  • CVE-2026-41647
  • GHSA-fwj8-62r8-8p8m
  • GO-2026-5384

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