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Vulnerability record · CVE-2026-73061 · published 16 August 2026

CVE-2026-73061: Improper access control vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.54% · top 56.6% CWE-284 · Improper access control Deferred
9.3CVSS 4.0 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-73061), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.