Cross-site Scripting (XSS) Affecting amazon-cloudwatch-agent package, versions <0:1.300066.2-2.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.29% (21st percentile)

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  • Snyk IDSNYK-AMZN2-AMAZONCLOUDWATCHAGENT-17286701
  • published10 Jun 2026
  • disclosed8 Apr 2026

Introduced: 8 Apr 2026

CVE-2026-32289  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 amazon-cloudwatch-agent to version 0:1.300066.2-2.amzn2 or higher.
This issue was patched in ALAS2-2026-3323.

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.

Context was not properly tracked across template branches for JS template literals, leading to possibly incorrect escaping of content when branches were used. Additionally template actions within JS template literals did not properly track the brace depth, leading to incorrect escaping being applied. These issues could cause actions within JS template literals to be incorrectly or improperly escaped, leading to XSS vulnerabilities.

CVSS Base Scores

version 3.1