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

Source: https://junglewise.ai/threats/cve-2026-41647-incus-has-nil-pointer-dereference-via-s3-bucket-import  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-07  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/github-com-lxc-incus), [github.com/lxc/incus/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-lxc-incus-v6), [github.com/lxc/incus/v6/cmd/incusd (Go)](https://junglewise.ai/threats/technologies/github-com-lxc-incus-v6-cmd-incusd), [Linuxcontainers Incus](https://junglewise.ai/threats/technologies/linuxcontainers-incus). Vendors: [Go](https://junglewise.ai/threats/vendors/go), [Linuxcontainers](https://junglewise.ai/threats/vendors/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

## Related threats

- [Incus project restriction bypass in instance copy](https://junglewise.ai/threats/cve-2026-55622-incus-project-restriction-bypass-in-instance-copy)
- [Incus authorization bypass in custom volume copy](https://junglewise.ai/threats/cve-2026-55621-incus-authorization-bypass-in-custom-volume-copy)
- [LXC Incus arbitrary file write via image hash path traversal](https://junglewise.ai/threats/cve-2026-48769-lxc-incus-arbitrary-file-write-via-image-hash-path-traversal)
- [LXC Incus nil-pointer dereference in CreateCustomVolumeFromBackup](https://junglewise.ai/threats/cve-2026-48756-lxc-incus-nil-pointer-dereference-in-createcustomvolumefrombackup)
- [LXC Incus argument injection in backup compression algorithm](https://junglewise.ai/threats/cve-2026-48755-lxc-incus-argument-injection-in-backup-compression-algorithm)