Improper validation of integrity check value in BuildKit - CVE-2026-93318
Published: October 2, 2026
Vulnerability identifier: #VU153190
CSH Severity: High
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93318
CWE-ID: CWE-354
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to unvalidated image layer DiffIDs. A remote attacker can provide a malicious image with forged DiffIDs and execute arbitrary code on the system.
Affected software
BuildKit
How to mitigate CVE-2026-93318
Install updates from vendor's website.
BuildKit - update to 0.33.1