CVE-2026-28499
MEDIUM
6,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
Description
AI Translation Available
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.
79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
StableCommon Consequences
Security Scopes Affected:
Access Control
Confidentiality
Integrity
Availability
Potential Impacts:
Bypass Protection Mechanism
Read Application Data
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies:
AI/ML, Web Based, Web Server
80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Availability
Potential Impacts:
Read Application Data
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies:
Web Based, Web Server
116
Improper Encoding or Escaping of Output
DraftCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Access Control
Potential Impacts:
Modify Application Data
Execute Unauthorized Code Or Commands
Bypass Protection Mechanism
Applicable Platforms
Technologies:
AI/ML, Database Server, Not Technology-Specific, Web Server
https://github.com/vapor/leaf-kit/commit/6044b844caa858a0c5f2505ac166f5a057c990…
https://github.com/vapor/leaf-kit/releases/tag/1.14.2
https://github.com/vapor/leaf-kit/security/advisories/GHSA-6jj5-j4j8-8473