Read the docs
TI-2026-30166 Aliases CVE-2026-41647GHSA-fwj8-62r8-8p8m

Incus: Nil-Pointer Dereference via S3 Bucket Import

Priority LOW 29CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00394 33rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed incus (lxc): 7.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
lxcincusbefore 7.0.07.0.0Patch availableCNA
—github.com/lxc/incus/v6/cmd/incusd (Go)up to 6.23.0—No fix listedGHSA-fwj8-62r8-8p8m
  • incus Vendorlxc Affected before 7.0.0 Fixed in 7.0.0 Patch available CNA
  • github.com/lxc/incus/v6/cmd/incusd (Go) Vendor— Affected up to 6.23.0 Fixed in — No fix listed GHSA-fwj8-62r8-8p8m

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*before 7.0.0Vulnerablelxc
  • cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:* Versions before 7.0.0 Vulnerable ·lxc

Remediation

  • Fix · CNA incus (lxc) Fixed in 7.0.0

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41647
  2. 2026-10-03 Alias added: GHSA-fwj8-62r8-8p8m

References

  • TI-2026-19296 Incus container image templating arbitrary host file read and write CVSS 3.1HIGH 8.7
  • TI-2026-19295 Incus container environment configuration newline injection CVSS 3.1HIGH 8.7
  • TI-2025-39899 Incus vulnerable to local privilege escalation through custom storage volumes CVSS 4.0HIGH 8.6
  • TI-2026-29045 Incus out-of-bounds panic in snapshot metadata handling allows denial of service CVSS 4.0HIGH 7.1
  • TI-2026-29009 Incus nil-pointer dereference in storage bucket import allows denial of service CVSS 4.0HIGH 7.1
  • TI-2026-26122 Incus vulnerable to denial of source through crafted bucket backup file CVSS 3.1MEDIUM 6.5
See all 17 →

Sources