{"apiVersion":"1.0","identifier":"CVE-2026-63343","description":"Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a `metadata.yaml` 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 `exec-output` and `templates/` paths were patched in a prior release using `Lstat` rejection and `os.OpenRoot` confinement; `metadata.yaml` was not included in either patch and remains exploitable. Version 7.3.0 patches the issue.","publishedAt":"2026-08-21T15:16:46","lastModifiedAt":"2026-08-21T22:16:42","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63343","cvssScore":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","epssProbability":0.00267,"riskScore":1.01,"affectedProduct":"Incus","affectedVersions":"<7.3.0","vulnerabilityType":"Other","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-63343","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-63343","en":"https://www.redsauce.net/en/cves/CVE-2026-63343","fr":"https://www.redsauce.net/fr/cves/CVE-2026-63343","pt":"https://www.redsauce.net/pt/cves/CVE-2026-63343","de":"https://www.redsauce.net/de/cves/CVE-2026-63343","sk":"https://www.redsauce.net/sk/cves/CVE-2026-63343","el":"https://www.redsauce.net/el/cves/CVE-2026-63343"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-63343"}}