What’s Vulnerable › Vulnerabilities

CVE-2026-74794: Scriban before 6.6.0 Denial of Service via Infinite Recursion

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-16 · updated 2026-08-31
• Weakness: CWE-674

Description

Scriban before 6.6.0 contains an infinite recursion vulnerability in object rendering when the ObjectRecursionLimit property defaults to unlimited. Attackers can supply circular reference objects to the template context, exhausting stack space and triggering an uncatchable StackOverflowException that terminates the hosting process.

Affected products

• scriban: before 6.6.0 — fixed in 6.6.0

How to fix

Upgrade to a fixed version: scriban 6.6.0. Check the vendor advisory for mitigations.

References

• https://github.com/scriban/scriban/security/advisories/GHSA-grr9-747v-xvcp
• https://www.vulncheck.com/advisories/scriban-before-denial-of-service-via-infinite-recursion
• https://github.com/scriban/scriban/security/advisories/GHSA-grr9-747v-xvcp

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