CVE-2026-93320
BuildKit improperly handles special files in build snapshots
MEDIUM
6
CVSS Score
Published: October 5, 2026 at 05:50 PM UTC
Updated: October 6, 2026 at 03:08 PM UTC
1 product affected across 1 vendorBuildKit
Using BuildKit by moby?
Get instant alerts when new vulnerabilities affect BuildKit - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit
Description
BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
Vendor Advisory
Source: cverecord
https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6MEDIUMDocker
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-441
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.
Free plan, no card