CVE-2026-73061

Critical

Description

Scriban before 7.2.2 contains an access-modifier bypass vulnerability in TypedObjectAccessor that allows template code to write CLR object properties without setter-visibility checks. Attackers can modify properties with private, internal, or init-only setters, and perform mass assignment on public-setter properties, permanently altering live host objects after template rendering.

SeverityCritical

CVSS9.8

Exploit probability32. percentile0.4%

ProductScriban

PublishedAug 16, 2026

First seenAug 16, 2026

Weakness typeCWE-284Improper access control

How to fix

Update

Scriban7.2.2 or later

Vendor advisories

github.com/scriban/scriban/security/advisories/GHSA-7jvp-hj45-2f2m

Affected products

Product	Affected versions	Fixed in
ScribanNuGet	v < 7.2.2	7.2.2

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