lxc incus up to 6.x Backup File null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in lxc incus up to 6.x. Affected by this issue is some unknown functionality of the component Backup File Handler. Such manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2026-41647. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability was found in lxc incus up to 6.x and classified as problematic. Affected by this issue is an unknown part of the component Backup File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:
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.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-41647 since 04/22/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.
Upgrading to version 7.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
Website
- Product: https://github.com/lxc/incus/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (GitHub_M): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: incus 7.0.0
Timeline
04/22/2026 CVE reserved05/07/2026 Advisory disclosed
05/07/2026 VulDB entry created
05/07/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-fwj8-62r8-8p8m
Status: Confirmed
CVE: CVE-2026-41647 (🔒)
GCVE (CVE): GCVE-0-2026-41647
GCVE (VulDB): GCVE-100-361868
Entry
Created: 05/07/2026 16:58Changes: 05/07/2026 16:58 (66)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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