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

Exp

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.

Published: 2026-05-07 Last update: 2026-05-07 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-41647 is rated Exploit Available (52.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2026-41647

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2026-41647

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 0.39% +0.38%
2 2026-05-22 0.05% 0.02% -0.04%
3 2026-05-13 — 0.05% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-41647

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2026-41647

GitHub Security Advisory for CVE-2026-41647

GHSA-fwj8-62r8-8p8m · Severity: medium · Ecosystem: go — Incus has Nil-Pointer Dereference via S3 Bucket Import

OS Trackers for CVE-2026-41647

vendor priority summary link
debian not yet assigned CVE-2026-41647 not yet assigned priority: Debian including 1 source packages (incus), 3 status rows across 3 suites (forky, sid, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2026-41647
ubuntu medium CVE-2026-41647 medium priority: Ubuntu including 1 source packages (incus), 5 status rows across 5 suites (jammy, noble, questing, resolute, upstream): needs-triage 4, DNE 1. https://ubuntu.com/security/CVE-2026-41647

Affected software / configurations for CVE-2026-41647

Vendor Product Version Raw CPE
linuxcontainers incus < 7.0.0 cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*

References for CVE-2026-41647

cvelogic Threat Intelligence