CVE-2026-74795
Scriban before 6.6.0 contains an uncontrolled recursion vulnerability in its recursive-descent parser.
Impact
Scriban before 6.6.0 contains an uncontrolled recursion vulnerability in its recursive-descent parser. The parser does not enforce a default expression depth limit (the ExpressionDepthLimit property in ParserOptions defaults to null/disabled), so an attacker who controls template input can supply a deeply nested template (e.g., thousands of nested parentheses or blocks) that exhausts thread stack space and raises a StackOverflowException. Because a StackOverflowException cannot be caught in .NET, this causes immediate, unrecoverable termination of the hosting process, resulting in a denial of service. Applications that process untrusted or user-supplied templates can be exploited remotely without authentication.
Affected products
| Product | Affected versions |
|---|---|
| Scriban | before 6.6.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.