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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (43.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Scriban — versions 0, 7.2.2
Weakness classification (CWE)
References
- github.com/scriban/scriban/security/advisories/GHSA-7jvp-hj45-2f2m (vendor-advisory)
- www.vulncheck.com/advisories/scriban-before-arbitrary-property-write-via-typedo… (third-party-advisory)
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.