Vulnerability in Scriban
CVE-2026-74791
Scriban before 7.0.0 fails to clear the CachedTemplates dictionary when TemplateContext.Reset() is called, allowing cached templates to persist across reused contexts. Attackers can exploit request-dependent ITemplateLoader implementations to access previously authorized template content from earlier renders without triggering TemplateLoader.Load() again.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.1% 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: 0.004 · change: +0.002
Affected products
- Scriban — versions 0, 7.0.0
Weakness classification (CWE)
References
- github.com/scriban/scriban/security/advisories/GHSA-x6m9-38vm-2xhf (vendor-advisory)
- www.vulncheck.com/advisories/scriban-before-authorization-bypass-via-stale-incl… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-74791?
- CVE-2026-74791 is a high-severity vulnerability in Scriban, classified under Sensitive Information in Resource Not Removed Before Reuse. CVSS score: 8.6/10. Published 2026-08-16.
- How severe is CVE-2026-74791?
- High severity. CVSS v3 base score is 8.6 out of 10.