CVE-2026-124439highCWE-674

CVE-2026-124439: high-severity vulnerability in scriban

Scriban before 7.5.3 Denial of Service via Uncatchable StackOverflowException

Published

Follow this CVE+ Monitor scriban

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

18Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7
Scriban and Scriban.Signed before 7.5.3 contain uncontrolled recursion flaws in which postfix member, indexer, and call chains bypass ExpressionDepthLimit, array comparison lacks depth and cycle checks, and object.eval bypasses RecursiveLimit. Attackers who can supply templates can trigger an uncatchable StackOverflowException that terminates the host process.
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
Affected products
scriban · scriban
Related CVEs — scriban

In the same product, most dangerous first.

CVE-2026-74789HIGHScriban before 7.0.0 LoopLimit Bypass via Built-in OperationsEPSS 0.6%CVE-2026-74795HIGHScriban before 6.6.0 Denial of Service via Uncontrolled RecursionEPSS 0.6%CVE-2026-74792HIGHScriban before 7.0.0 Stack Overflow via nested array initializersEPSS 0.5%CVE-2026-74794HIGHScriban before 6.6.0 Denial of Service via Infinite RecursionEPSS 0.5%CVE-2026-74788HIGHScriban before 7.0.0 Denial of Service via string.pad_left/pad_rightEPSS 0.5%CVE-2026-74787HIGHScriban before 7.0.0 Uncontrolled Recursion via object.to_jsonEPSS 0.5%