Resource exhaustion in Scriban
CVE-2026-73062
Scriban versions 3.0.0 through 7.2.0 contain a denial of service vulnerability in the array multiplication operator that allocates memory without enforcing LoopLimit or overflow-safe arithmetic checks. Attackers can supply a large integer multiplier in a template to force multi-gigabyte memory allocations, causing resource exhaustion and availability degradation.
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: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Scriban — versions 0
Weakness classification (CWE)
References
- github.com/scriban/scriban/security/advisories/GHSA-q6rr-fm2g-g5x8 (vendor-advisory)
- www.vulncheck.com/advisories/scriban-through-denial-of-service-via-array-multip… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-73062?
- CVE-2026-73062 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-2026-73062?
- High severity. CVSS v3 base score is 7.5 out of 10.