CVE-2026-74787
Scriban before 7.0.0 Uncontrolled Recursion via object.to_json
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 16, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 16, 2026
Description
Scriban before 7.0.0 contains an uncontrolled recursion vulnerability in the object.to_json builtin function that lacks depth limits and circular reference detection. Attackers can craft templates with self-referencing objects to trigger unbounded recursion, causing a StackOverflowException that fatally terminates the hosting .NET process.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-674 Uncontrolled Recursion
Affected Products
| Product | Versions |
|---|---|
scribanscriban |
|
References
- GitHub Security Advisory (GHSA-xcx6-vp38-8hr5)vendor-advisory
- VulnCheck Advisory: Scriban before 7.0.0 Uncontrolled Recursion via object.to_jsonthird-party-advisory
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