CVE-2026-114141: high-severity vulnerability in BinaryMuse toml-node
toml-node: Quadratic-complexity DoS via many array-of-tables headers in toml.parse()
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.5%
toml-node is a TOML parser for Node.js and the browser. Prior to 5.0.1, the toml.parse() compiler's addTableArray() function in lib/compiler.js rescans the complete assignedPaths and valueAssignments bookkeeping sets for every array-of-tables header. Distinct [[name]] paths are not pruned, so a document with many such headers causes quadratic synchronous work and can block the Node.js event loop, denying service to other operations in the process. This issue is fixed in version 5.0.1.
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
BinaryMuse · toml-nodeRelated CVEs — BinaryMuse toml-node
In the same product, most dangerous first.
CVE-2026-63376HIGHtoml-node: Prototype Pollution Leads to `Object.prototype` Corruption via `__proto__` Key-Path DesynchronizationEPSS 0.7%CVE-2026-77465HIGHtoml-node: Uncontrolled RecursionEPSS 0.6%CVE-2026-114142HIGHtoml-node: Prototype pollution: parsing a TOML document can write to Object.prototypeEPSS 0.5%CVE-2026-114143HIGHtoml-node: Quadratic-complexity DoS via long dotted keys or table paths in toml.parse()EPSS 0.5%CVE-2026-114144HIGHtoml-node: Uncontrolled resource consumption (CPU DoS) via unbounded-length integer literals in toml.parse()EPSS 0.4%