ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-63343

Incus is a system container and virtual machine manager.

Published Aug 21, 2026 · catalog updated Oct 15, 2026 · Incus is a system

Check if you run it

No confirmed exploitation is on record for CVE-2026-63343. EPSS is 0.48%. Act only if a listed version of Incus is a system is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Incus is a system).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Advisory link
Affected products
See sources for product scope

Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The and paths were patched in a prior release using rejection and confinement; was not included in either patch and remains exploitable. Version 7.3.0 patches the issue.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-63343

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-63343. EPSS is 0.48%. Act only if a listed version of Incus is a system is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-73. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 21, 2026 · NIST NVD

    Detected

    Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The and paths were patched in a prior release using rejection and confinement; was not included in either patch and remains explo

  2. Oct 15, 2026 · NIST NVD

    Updated

    Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The and paths were patched in a prior release using rejection and confinement; was not included in either patch and remains explo

Sources

  • CVE.orgVulnerability recordCVE-2026-63343

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-63343

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-63343

    Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadat

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.