Vulnerability in Scriban

CVE-2026-73061

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.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73061?
CVE-2026-73061 is a critical-severity vulnerability in Scriban, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-08-16.
How severe is CVE-2026-73061?
Critical severity. CVSS v3 base score is 9.8 out of 10.