Resource exhaustion in Scriban
CVE-2026-73060
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Scriban — versions 0
Weakness classification (CWE)
References
- github.com/scriban/scriban/security/advisories/GHSA-89cf-6hmv-8rxm (vendor-advisory)
- github.com/scriban/scriban/commit/205ca6a7c2349d3d388bd5f1f7729ee198c0d5e5 (patch)
- github.com/scriban/scriban/commit/c3f03bfc912e14b306a01a03e611f606b05f9c33 (patch)
- www.vulncheck.com/advisories/scriban-through-denial-of-service-via-scriptrange-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-73060?
- CVE-2026-73060 is a high-severity vulnerability in Scriban, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-16.
- How severe is CVE-2026-73060?
- High severity. CVSS v3 base score is 7.5 out of 10.