Exposure of Resource to Wrong Sphere Affecting github.com/google/gvisor/pkg/sentry/fsimpl/gofer package, versions <20260824.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMGOOGLEGVISORPKGSENTRYFSIMPLGOFER-20158551
- published27 Sept 2026
- disclosed25 Sept 2026
- creditUnknown
Introduced: 25 Sep 2026
NewCVE-2026-96812 Â (opens in a new tab)How to fix?
Upgrade github.com/google/gvisor/pkg/sentry/fsimpl/gofer to version 20260824.0 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Resource to Wrong Sphere in the gofer process when CUSE is enabled. An attacker can execute arbitrary code with root privileges on the host system by including a /dev/cuse character device node in a container image and exploiting unrestricted ioctl handling to overwrite host memory.