SB20260428221 - Fedora 43 update for doctl

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Main Vulnerability Database SB20260428221

SB20260428221 - Fedora 43 update for doctl

Published: April 28, 2026

Security Bulletin ID SB20260428221
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2026-33747)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to write files outside of the BuildKit state directory.

The vulnerability exists due to improper path restriction in custom BuildKit frontend API message handling when processing a crafted API message from a custom frontend. A remote attacker can craft an API message to write files outside of the BuildKit state directory.

Exploitation requires use of an untrusted custom frontend configured with #syntax or --build-arg BUILDKIT_SYNTAX.


Remediation

Install update from vendor's website.

References