What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-16 · updated 2026-09-30
• Weakness: CWE-770

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.

Affected products

• scriban: from 3.0.0 through 7.2.5

References

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

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