CVE-2026-74783

High

Description

Scriban versions 6.6.0 through 7.2.0 contain a non-enforcing ExpressionDepthLimit guard that fails to stop recursive descent parsing of deeply nested expressions. Attackers can supply templates with deeply nested parentheses, array initializers, object initializers, or unary operators to trigger an uncatchable StackOverflowException that immediately terminates the host process.

SeverityHigh

CVSS7.5

Exploit probability—

ProductScriban

PublishedAug 16, 2026

First seenAug 16, 2026

Weakness typeCWE-674CWE-674

How to fix

Update

Scriban7.2.1 or later
Scriban.Signed7.2.1 or later

Vendor advisories

github.com/scriban/scriban/security/advisories/GHSA-6q7j-xr26-3h2c

Affected products

Product	Affected versions	Fixed in
ScribanNuGet	6.6.0 ≤ v < 7.2.1	7.2.1
Scriban.SignedNuGet	6.6.0 ≤ v < 7.2.1	7.2.1

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