CVE-2026-59870Published

js-yaml quadratic-complexity denial of service via YAML11_SCHEMA !!omap parsing

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-59870

Published

js-yaml

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "nodeca",
                    "product": "js-yaml",
                    "versions": [
                        {
                            "version": ">= 5.0.0, < 5.2.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 3.0.0, < 3.15.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 4.0.0, < 4.3.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON