CVE-2026-74787

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductScriban

PublishedAug 16, 2026

First seenAug 16, 2026

Weakness typeCWE-674CWE-674

How to fix

Update

Scriban7.0.0 or later
Scriban.Signed7.0.0 or later

Vendor advisories

github.com/scriban/scriban/security/advisories/GHSA-xcx6-vp38-8hr5

Affected products

Product	Affected versions	Fixed in
ScribanNuGet	v < 7.0.0	7.0.0
Scriban.SignedNuGet	v < 7.0.0	7.0.0

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