CVE-2026-39822 Affecting zarf package, versions <0.80.0-r5


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.23% (15th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-ZARF-17921812
  • published10 Jul 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

NewCVE-2026-39822  (opens in a new tab)

How to fix?

Upgrade Chainguard zarf to version 0.80.0-r5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zarf package and not the zarf package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

CVSS Base Scores

version 3.1