CVE-2026-27141 Affecting k3s-1.33 package, versions <1.33.10.1-r13


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-WOLFILATEST-K3S133-16757879
  • published19 May 2026
  • disclosed26 Feb 2026

Introduced: 26 Feb 2026

CVE-2026-27141  (opens in a new tab)

How to fix?

Upgrade Wolfi k3s-1.33 to version 1.33.10.1-r13 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream k3s-1.33 package and not the k3s-1.33 package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

CVSS Base Scores

version 3.1