CVE-2026-28499

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

LeafKit is a templating language with Swift-inspired syntax. Prior to version 1.14.2, HTML escaping doesn't work correctly when a template prints a collection (Array / Dictionary) via `#(value)`. This can result in XSS, allowing potentially untrusted input to be rendered unescaped. Version 1.14.2 fixes the issue.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79 CWE-80 CWE-116

Affected software

No affected versions have been published.

Timeline

Published: Mar 18, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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