Vulnerability Description
Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that allows malicious migration sources to write host files by planting symlinks in transferred volumes. Attackers can craft rsync or btrfs receive streams with a symlink such as rootfs pointing to the host root, writing files as root for full host compromise.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/lxc/incus/security/advisories/GHSA-579w-c4rw-c8q3
- https://www.vulncheck.com/advisories/incus-before-6.0.7-6.1.0-before-7.0.2-and-7
FAQ
What is CVE-2026-115377?
CVE-2026-115377 is a vulnerability with a CVSS score of 9.9 (CRITICAL). Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that allows malicious migration sources to write host files by planting symlinks in transf...
How severe is CVE-2026-115377?
CVE-2026-115377 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-115377?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.