CVE-2026-124437

HighCVSS 7.5/10Last modified Nov 13, 2026

Description

Scriban before 7.5.3 contains a resource exhaustion vulnerability that allows untrusted template authors to exhaust memory and CPU because builtins like math.format, regex.replace and string.escape skip the LimitToString allocation guard. Attackers can submit small templates using huge format precision specifiers, shared-structure array comparison, BigInteger multiplication or exponential function recursion that ignore LoopLimit and CancellationToken, crashing or stalling multi-tenant hosts.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Nov 8, 2026
Last modified: Nov 13, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-1244387.4Scriban before 7.5.2 contains an information disclosure and object manipulation vulnerability that allows template authors to access .NET in CVE-2026-1244397.5Scriban and Scriban.Signed before 7.5.3 contain uncontrolled recursion flaws in which postfix member, indexer, and call chains bypass Expres CVE-2026-124445.5Out of bounds read in Chromoting in Google Chrome on Windows prior to 149.0.7827.155 allowed a local attacker to obtain potentially sensitiv CVE-2026-1244409.9Kyverno from 1.19.1 before 1.19.2 contains an authorization bypass vulnerability in the apiCall namespace clamp that allows namespace tenant CVE-2026-1244418.8Kyverno before 1.19.2 contains an authorization bypass vulnerability that allows namespaced tenants to generate any resource kind in any nam CVE-2026-1244426.5AzuraCast before 0.24.0 contains a server-side request forgery vulnerability that allows users with station WebHooks permission to bypass th CVE-2026-1244434.3Frappe Framework before 15.121.1 and 16.x before 16.35.0 contains a broken access control vulnerability in File list and report queries that CVE-2026-1244447.1OpenEMR before 8.4.0 contains a mass assignment vulnerability in the patient portal OnsiteDocument query API that lets request parameters se CVE-2026-1244459.8OpenEMR from 7.0.1 before 8.4.0 contains a flaw in src/Common/Auth/OneTimeAuth.php that ignores the enforce_onetime_use and max_access_count CVE-2026-1244468.8OpenEMR before 8.3.0 contains a path traversal vulnerability in the FaxSMS module's RCFaxClient and SignalWireClient disposeDocument functio CVE-2026-1244478.1OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsitePortalActivityController::Update() that checks the CVE-2026-1244487.6OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability in the CCDA/CCD preview stylesheets, where cda.xsl copies event-ha