Vulnerability details

CVE-2026-74785

scriban scriban

Scriban before 7.0.0 Denial of Service via Unbounded Resource Consumption

CVSS 4.0
7.1High

Official 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 scores

ScoreVersionSourceVector
7.1High 4.0 CVEProject cvelistV5 (CNA) (VulnCheck) 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
6.5Medium 3.1 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersionsSource
scriban scriban v < 7.0.0 CVEProject cvelistV5 (CNA)

References and advisories

2
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-08-16
Last updated
2026-08-17
State
Published
Assigner (CNA)
VulnCheck

Exploit prediction (EPSS)

0.47%
Probability of exploitation in 30 days
41.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Partial

Weaknesses (CWE)

  • CWE-400
    Uncontrolled Resource Consumption