GO-2026-4859 BuildKit Git URL subdir component can cause access to restricted files in github.com/moby/buildkit

BuildKit Git URL subdir component can cause access to restricted files in github.com/moby/buildkit...

CVE-2026-33748: Improper Limitation of a Pathname to a Restricted Directory

BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to version 0.28.1, insufficient validation of Git URL fragment subdir components may allow access to files outside the checked-out Git repository root. Possible access is...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack when processing Git URL fragment subdir components. An attacker can access files outside the intended Git repository root by specifying a crafted subdir value in the URL fragment. Note: This is only exploitable if builds...

GHSA-4VRQ-3VRQ-G6GG BuildKit Git URL subdir component can cause access to restricted files

Impact Insufficient validation of Git URL fragment subdir components :, docs may allow access to files outside the checked-out Git repository root. Possible access is limited to files on the same mounted filesystem. Patches The issue has been fixed in version v0.28.1 Workarounds The issue affects...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack when processing Git URL fragment subdir components. An attacker can access files outside the intended Git repository root by specifying a crafted subdir value in the URL fragment. Note: This is only exploitable if builds...

BuildKit Git URL subdir component can cause access to restricted files

Impact Insufficient validation of Git URL fragment subdir components :, docs may allow access to files outside the checked-out Git repository root. Possible access is limited to files on the same mounted filesystem. Patches The issue has been fixed in version v0.28.1 Workarounds The issue affects...