CVE-2026-74791

High

Description

Scriban before 7.0.0 fails to clear the CachedTemplates dictionary when TemplateContext.Reset() is called, allowing cached templates to persist across reused contexts. Attackers can exploit request-dependent ITemplateLoader implementations to access previously authorized template content from earlier renders without triggering TemplateLoader.Load() again.

SeverityHigh

CVSS8.6

Exploit probability—

ProductScriban

PublishedAug 16, 2026

First seenAug 16, 2026

Weakness typeCWE-226CWE-226

How to fix

Update

scriban7.0.0 or later
Scriban.Signed7.0.0 or later

Vendor advisories

github.com/scriban/scriban/security/advisories/GHSA-x6m9-38vm-2xhf

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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