CVE-2026-59870: js-yaml from 5.0.0 (inclusive), before 5.2.1 (exclusive), >= 5.0.0, < 5.2.1, >= 3.0.0, < 3.15.1, >= 4.0.0, < 4.3.1

Affected technology

js-yaml · from 5.0.0 (inclusive), before 5.2.1 (exclusive)
nodeca

js-yaml · >= 5.0.0, < 5.2.1, >= 3.0.0, < 3.15.1, >= 4.0.0, < 4.3.1
nodeca

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.