Improper Enforcement of Message Integrity During Transmission in a Communication Channel Affecting k9s package, versions <0.50.18-r28


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-WOLFILATEST-K9S-16903050
  • published27 May 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39827  (opens in a new tab)
CWE-924  (opens in a new tab)

How to fix?

Upgrade Wolfi k9s to version 0.50.18-r28 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream k9s package and not the k9s package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

CVSS Base Scores

version 3.1