All vulnerabilities
CVE-2026-93320GHSA-9728-qjrv-2xh2

BuildKit improperly handles special files in build snapshots

moby BuildKit
Open in ThreatlineRecord JSON
CVSS
6.0Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.11%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published5 Oct 2026Updated 5 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 1

  • BuildKitaffected: all versions through 0.33.0CVE List

References 2