CVE-2026-74795
Uncontrolled recursion in Scriban parser allows remote templates to crash host process.
Is CVE-2026-74795 being exploited?
Not confirmed. CVE-2026-74795 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-74795?
CVE-2026-74795 is rated High. 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-2026-74795?
Yes. A fix has been recorded for CVE-2026-74795. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74795 affect?
CVE-2026-74795 affects Scriban < 6.6.0, Applications using Scriban to process untrusted templates, .NET services hosting Scriban. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74795?
Upgrade to Scriban >=6.6.0; validate or limit template recursion depth (ExpressionDepthLimit).
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated DoS: attacker-supplied deeply nested templates trigger StackOverflowException and terminate the .NET host process.
Immediate action required
- affected< 6.6.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.