# toml (npm) vulnerabilities

6 known vulnerabilities (6 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 5.0.1 (Oct 12, 2026): no advisory affects it
- Newest unaffected release: 5.0.1 (Oct 12, 2026), the latest release
- Weekly downloads: 41.6M
- Dependents: 121
- Releases: 41 since 0.0.0 (Feb 24, 2013)
- Registry: https://www.npmjs.com/package/toml
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-114144: 0.0.0 to 5.0.0 (5.0.1 is outside it)
- CVE-2026-114143: 0.0.0 to 5.0.0 (5.0.1 is outside it)
- CVE-2026-114142: 0.0.0 to 5.0.0 (5.0.1 is outside it)
- CVE-2026-114141: 0.0.0 to 5.0.0 (5.0.1 is outside it)
- CVE-2026-77465: 0.0.0 to 4.1.2 (4.2.0 is outside it)
- CVE-2026-63376: 0.0.0 to 4.1.1 (4.1.2 is outside it)

## Advisories (6)

### [CVE-2026-114144](https://cve.now/CVE-2026-114144): toml-node: Uncontrolled resource consumption (CPU DoS) via unbounded-length integer literals in toml.parse()

- Severity: High 7.5
- Published: Oct 21, 2026
- Affected: fixed in 5.0.1.
- Fixed in 5.0.1 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 95% of toml downloads last week were affected versions (38.4M).

### [CVE-2026-114143](https://cve.now/CVE-2026-114143): toml-node: Quadratic-complexity DoS via long dotted keys or table paths in toml.parse()

- Severity: High 8.7
- Published: Oct 21, 2026
- Affected: fixed in 5.0.1.
- Fixed in 5.0.1 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 95% of toml downloads last week were affected versions (38.4M).

### [CVE-2026-114142](https://cve.now/CVE-2026-114142): toml-node: Prototype pollution: parsing a TOML document can write to Object.prototype

- Severity: High 8.8
- Published: Oct 21, 2026
- Affected: fixed in 5.0.1.
- Fixed in 5.0.1 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 95% of toml downloads last week were affected versions (38.4M).

### [CVE-2026-114141](https://cve.now/CVE-2026-114141): toml-node: Quadratic-complexity DoS via many array-of-tables headers in toml.parse()

- Severity: High 8.7
- Published: Oct 21, 2026
- Affected: fixed in 5.0.1.
- Fixed in 5.0.1 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 95% of toml downloads last week were affected versions (38.4M).

### [CVE-2026-77465](https://cve.now/CVE-2026-77465): toml-node: Uncontrolled Recursion

- Severity: High 7.5
- Published: Sep 3, 2026
- Affected: fixed in 4.2.0.
- Fixed in 4.2.0 (released Jul 13, 2026, 52 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 17% of toml downloads last week were affected versions (6.8M).

### [CVE-2026-63376](https://cve.now/CVE-2026-63376): toml-node: Prototype Pollution Leads to \`Object.prototype\` Corruption via \`proto\` Key-Path Desynchronization

- Severity: High 8.2
- Published: Sep 3, 2026
- Affected: fixed in 4.1.2.
- Fixed in 4.1.2 (released Jun 30, 2026, 65 days before disclosure).
- The latest release, 5.0.1, is not affected.
- 17% of toml downloads last week were affected versions (6.7M).

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