CVE-2026-74789
Template expressions can bypass LoopLimit causing CPU/memory exhaustion (DoS).
Is CVE-2026-74789 being exploited?
Not confirmed. CVE-2026-74789 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 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-74789?
CVE-2026-74789 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-2026-74789?
Yes. A fix has been recorded for CVE-2026-74789. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74789 affect?
CVE-2026-74789 affects Scriban <= 6.6.0, Applications rendering attacker-controlled Scriban templates, .NET apps embedding Scriban. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74789?
Upgrade Scriban to >=7.0.0; avoid rendering untrusted templates and add input/resource controls.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker-controlled templates can force high CPU or memory use, causing denial of service despite LoopLimit.
Patch when possible
- affected< 7.0.0
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.