CVE-2026-74792

High

Description

Scriban before 7.0.0 (affected versions <= 6.6.0) contains a stack overflow vulnerability in nested array initializer parsing. Deeply nested array initializers recurse through a path (ParseArrayInitializer → ParseExpression → ParseArrayInitializer) that is not covered by the ExpressionDepthLimit counter added in the fix for GHSA-wgh7-7m3c-fx25. An attacker who can supply untrusted input to Template.Parse can trigger an uncatchable StackOverflowException that immediately terminates the process, even with the default ExpressionDepthLimit enabled.

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-p6q4-fgr8-vx4p

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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