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Vulnerability record · CVE-2026-73062 · published 16 August 2026

CVE-2026-73062: Allocation without limits vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.49% · top 60.5% CWE-770 · Allocation without limits Deferred
8.7CVSS 4.0 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

Description

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.

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/security/advisories/GHSA-q6rr-fm2g-g5x8
https://www.vulncheck.com/advisories/scriban-through-denial-of-service-via-array-multiplication
https://github.com/scriban/scriban/security/advisories/GHSA-q6rr-fm2g-g5x8

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-73062), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.