Cross-site Scripting (XSS) Affecting falco-no-driver package, versions <0.44.0-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.33% (24th percentile)

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  • Snyk IDSNYK-WOLFILATEST-FALCONODRIVER-16879293
  • published26 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39823  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Wolfi falco-no-driver to version 0.44.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream falco-no-driver package and not the falco-no-driver package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.

CVSS Base Scores

version 3.1