Improper Validation of Specified Type of Input Affecting amazon-cloudwatch-agent package, versions <0:1.300069.1-1.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-AMZN2-AMAZONCLOUDWATCHAGENT-18523649
  • published5 Aug 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-46598  (opens in a new tab)
CWE-1287  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 amazon-cloudwatch-agent to version 0:1.300069.1-1.amzn2 or higher.
This issue was patched in ALAS2-2026-3844.

NVD Description

Note: Versions mentioned in the description apply only to the upstream amazon-cloudwatch-agent package and not the amazon-cloudwatch-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

CVSS Base Scores

version 3.1