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Vulnerability record · CVE-2026-74785 · published 16 August 2026

CVE-2026-74785: Uncontrolled resource consumption vulnerability

Scriban before 7.0.0 contains three distinct denial-of-service vulnerabilities in expression evaluation that bypass existing safety controls through unbounded string multiplication, uncontrolled BigInteger shift operations, and LoopLimit bypass via range enumeration in builtin functions. Attackers who can supply templates can cause out-of-memory exceptions or CPU exhaustion, typically terminating the entire host process.

7.1 CVSS 4.0 High EPSS 0.48% · top 61.4% CWE-400 · Uncontrolled resource consumption Deferred
7.1CVSS 4.0 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

Scriban before 7.0.0 contains three distinct denial-of-service vulnerabilities in expression evaluation that bypass existing safety controls through unbounded string multiplication, uncontrolled BigInteger shift operations, and LoopLimit bypass via range enumeration in builtin functions. Attackers who can supply templates can cause out-of-memory exceptions or CPU exhaustion, typically terminating the entire host process.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-xw6w-9jjh-p9cr
https://www.vulncheck.com/advisories/scriban-before-denial-of-service-via-unbounded-resource-consumption
https://github.com/scriban/scriban/security/advisories/GHSA-xw6w-9jjh-p9cr

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Source: NIST National Vulnerability Database (record CVE-2026-74785), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.