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Vulnerability record · CVE-2026-73060 · published 16 August 2026

CVE-2026-73060: Allocation without limits vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.67% · top 50.0% CWE-770 · Allocation without limits Deferred
8.7CVSS 4.0 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
26 Aug 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-73060), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.