vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-95702

Code Execution in Host Sentry Process via Double Free in gVisor VFS MemoryFile

HIGH
8.5
CVSS Score
Published: October 9, 2026 at 02:44 PM UTC
Updated: October 15, 2026 at 07:17 PM UTC
1 product affected across 1 vendorGvisor

Using gVisor by Google?

Get instant alerts when new vulnerabilities affect gVisor - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Use-after-free vulnerability in VFS in Google gVisor prior to release 20260831.0 on all platforms allows a local attacker with standard container privileges to achieve code execution in the host sentry process by double-freeing the backing MemoryFile from an in-sandbox overlay filesystem. The sentry process remains confined by host-level Linux seccomp and namespace boundaries.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed
Source: cverecord
https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df
Source: cverecord
https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHGoogle
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-416CWE-415

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card