# Sunnyadn Js-Toml vulnerabilities

Source: https://junglewise.ai/threats/technologies/js-toml  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/js-toml.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Sunnyadn Js-Toml: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-63386, was published on 22 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Sunnyadn Js-Toml

A TOML parser and serializer for JavaScript.

## Latest Sunnyadn Js-Toml vulnerabilities

- [CVE-2026-63386: js-toml stack exhaustion in recursive parser](https://junglewise.ai/threats/cve-2026-63386-js-toml-is-a-toml-parser-for-javascript-prior-to-1-1-3-load-does) (medium, CVSS 5.3, published 22 Sep 2026)
- [CVE-2026-50029: sunnyadn js-toml type confusion via duplicate-key bypass](https://junglewise.ai/threats/cve-2026-50029-sunnyadn-js-toml-type-confusion-via-duplicate-key-bypass) (medium, CVSS 5.3, published 14 Aug 2026)
- [CVE-2026-49293: js-toml CPU exhaustion via O(n²) BigInt construction](https://junglewise.ai/threats/cve-2026-49293-js-toml-cpu-exhaustion-via-o-n-bigint-construction) (high, CVSS 7.5, published 19 Jun 2026)
- [CVE-2025-54803: js-toml prototype pollution via malicious TOML](https://junglewise.ai/threats/cve-2025-54803-js-toml-prototype-pollution-via-malicious-toml) (medium, CVSS 4, published 4 Aug 2025)

## Most severe Sunnyadn Js-Toml vulnerabilities

- [CVE-2026-49293: js-toml CPU exhaustion via O(n²) BigInt construction](https://junglewise.ai/threats/cve-2026-49293-js-toml-cpu-exhaustion-via-o-n-bigint-construction) (high, CVSS 7.5, published 19 Jun 2026)
- [CVE-2026-63386: js-toml stack exhaustion in recursive parser](https://junglewise.ai/threats/cve-2026-63386-js-toml-is-a-toml-parser-for-javascript-prior-to-1-1-3-load-does) (medium, CVSS 5.3, published 22 Sep 2026)
- [CVE-2026-50029: sunnyadn js-toml type confusion via duplicate-key bypass](https://junglewise.ai/threats/cve-2026-50029-sunnyadn-js-toml-type-confusion-via-duplicate-key-bypass) (medium, CVSS 5.3, published 14 Aug 2026)
- [CVE-2025-54803: js-toml prototype pollution via malicious TOML](https://junglewise.ai/threats/cve-2025-54803-js-toml-prototype-pollution-via-malicious-toml) (medium, CVSS 4, published 4 Aug 2025)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Sunnyadn Js-Toml vulnerabilities", https://junglewise.ai/threats/technologies/js-toml, 13 November 2026.