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Vulnerability record · CVE-2026-74790 · published 16 August 2026

CVE-2026-74790: Scriban before 7.0.0 caches TypedObjectAccessor by Type only without considering MemberFilter changes, allowin…

Scriban before 7.0.0 caches TypedObjectAccessor by Type only without considering MemberFilter changes, allowing reused TemplateContext instances to expose members that should be hidden. Attackers can access filtered properties and fields by reusing a TemplateContext after tightening its MemberFilter, bypassing sandbox policies across requests or tenants.

9.3 CVSS 4.0 Critical EPSS 0.47% · top 61.8% CWE-693 · CWE-693 Deferred
9.3CVSS 4.0 base score
0.47%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 7.0.0 caches TypedObjectAccessor by Type only without considering MemberFilter changes, allowing reused TemplateContext instances to expose members that should be hidden. Attackers can access filtered properties and fields by reusing a TemplateContext after tightening its MemberFilter, bypassing sandbox policies across requests or tenants.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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-5wr9-m6jw-xx44
https://www.vulncheck.com/advisories/scriban-before-memberfilter-bypass-via-templatecontext-cache
https://github.com/scriban/scriban/security/advisories/GHSA-5wr9-m6jw-xx44

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Source: NIST National Vulnerability Database (record CVE-2026-74790), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.