CVE-2026-74783
Scriban parsing bug allows crafted templates to crash host process via stack overflow
Is CVE-2026-74783 being exploited?
Not confirmed. CVE-2026-74783 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-74783?
CVE-2026-74783 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-74783?
Yes. A fix has been recorded for CVE-2026-74783. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74783 affect?
CVE-2026-74783 affects Scriban 6.6.0 - 7.2.0, Applications using the Scriban template engine. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74783?
Upgrade to fixed Scriban release when available; block/untrusted templates and enforce sandboxing/depth limits.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote Denial of Service: crafted templates with deep nesting trigger an uncatchable StackOverflowException terminating the host process.
Patch when possible