CVE-2026-78667 Affecting aactl package, versions <0.4.12-r79


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-AACTL-20725624
  • published10 Oct 2026
  • disclosed8 Oct 2026

Introduced: 8 Oct 2026

NewCVE-2026-78667  (opens in a new tab)

How to fix?

Upgrade Chainguard aactl to version 0.4.12-r79 or higher.

NVD Description

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

When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.

CVSS Base Scores

version 3.1