Description
js-toml is a TOML parser for JavaScript, fully compliant with the TOML 1.0.0 Spec. In versions below 1.0.2, a prototype pollution vulnerability in js-toml allows a remote attacker to add or modify properties of the global Object.prototype by parsing a maliciously crafted TOML input. This is fixed in version 1.0.2.
Scores
CVSS v3
7.5
EPSS
0.0011
EPSS Percentile
29.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1321
Status
published
Products (2)
npm/js-toml
0 - 1.0.2npm
sunnyadn/js-toml
< 1.0.2
Published
Aug 05, 2025
Tracked Since
Feb 18, 2026