CVE-2026-74788
Scriban pad_left/pad_right accept huge width values causing OOM Denial of Service.
Is CVE-2026-74788 being exploited?
Not confirmed. CVE-2026-74788 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-2026-74788?
CVE-2026-74788 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-2026-74788?
Yes. A fix has been recorded for CVE-2026-74788. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74788 affect?
CVE-2026-74788 affects Scriban <= 6.6.0, .NET applications using Scriban, Apps exposing Scriban to untrusted templates. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74788?
Upgrade Scriban to >=7.0.0 and validate/block untrusted template input
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Denial of Service: untrusted template input can supply large width to string.pad_left/right causing ~1GB allocations and OutOfMemoryException.
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.