CVE-2026-48060
High
Description
Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. Prior to version 2.20.0, Litestar instances which use a template engine in conjunction with CSRF protection are vulnerable to HTML Injection which can be escalated to Cross Site Scripting due to the contents of the CSRF cookie being excluded from automatic escaping by the template engine when configured inline with documentation recommendations. This issue has been patched in version 2.20.0.
SeverityHigh
CVSS8.1
Exploit probability—
ProductLitestar
PublishedJul 28, 2026
First seenJul 28, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- litestar2.22.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| litestarPyPI | v < 2.22.0 | 2.22.0 |
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