CVE-2025-54803

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

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

Weakness enumeration

CWE-1321

Affected software

No affected versions have been published.

Timeline

Published: Aug 5, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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