Medium severity5.0GHSA Advisory· Published May 7, 2026· Updated May 7, 2026
CVE-2026-41648
CVE-2026-41648
Description
Incus is a system container and virtual machine manager. Prior to version 7.0.0, user provided image and backup tarballs would be unpacked and YAML files parsed without any size restrictions. This was making it easy for an authenticated user to provide a crafted image or backup tarball that when parsed by Incus would lead to a very large YAML document being loaded into memory, potentially causing the entire server to run out of memory. This issue has been patched in version 7.0.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/lxc/incus/v6/cmd/incusdGo | <= 6.23.0 | — |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/lxc/incus/releases/tag/v7.0.0nvdPatchProductWEB
- github.com/lxc/incus/security/advisories/GHSA-67wx-r9xr-x75xnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-67wx-r9xr-x75xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41648ghsaADVISORY
News mentions
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