What’s Vulnerable › Vulnerabilities

CVE-2026-73061: Scriban before 7.2.2 Arbitrary Property Write via TypedObjectAccessor

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-16 · updated 2026-10-08
• Weakness: CWE-284

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.

Affected products

• scriban: before 7.2.2 — fixed in 7.2.2

How to fix

Upgrade to a fixed version: scriban 7.2.2. Check the vendor advisory for mitigations.

References

• https://github.com/scriban/scriban/security/advisories/GHSA-7jvp-hj45-2f2m
• https://www.vulncheck.com/advisories/scriban-before-arbitrary-property-write-via-typedobjectaccessor
• https://github.com/scriban/scriban/security/advisories/GHSA-7jvp-hj45-2f2m

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