# Jonschlinkert vulnerabilities

Source: https://junglewise.ai/threats/vendors/jonschlinkert  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/jonschlinkert.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in Jonschlinkert: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-78847, was published on 21 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. 0 critical against 1.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 11 (1 critical, 0 exploited in the wild)

## Latest Jonschlinkert vulnerabilities

- [CVE-2026-78847: gray-matter arbitrary code execution via eval in JavaScript engine](https://junglewise.ai/threats/cve-2026-78847-an-issue-in-gray-matter-all-versions-verified-on-4-0-3-allows-the) (critical, CVSS 9.8, published 21 Sep 2026)
- [CVE-2025-57328: jonschlinkert toggle-array prototype pollution in enable and disable functions](https://junglewise.ai/threats/cve-2025-57328-jonschlinkert-toggle-array-prototype-pollution-in-enable-and) (medium, CVSS 4, published 24 Sep 2025)
- [CVE-2025-3197: expand-object prototype pollution in expand() function](https://junglewise.ai/threats/cve-2025-3197-expand-object-prototype-pollution-in-expand-function) (low, CVSS 3.1, published 4 Apr 2025)
- [CVE-2025-25975: parse-git-config prototype pollution via expandKeys](https://junglewise.ai/threats/cve-2025-25975-parse-git-config-prototype-pollution-via-expandkeys) (low, CVSS 3.1, published 12 Mar 2025)
- [CVE-2023-26115: word-wrap regular expression denial of service](https://junglewise.ai/threats/cve-2023-26115-word-wrap-regular-expression-denial-of-service) (low, CVSS 3.1, published 22 Jun 2023)
- [CVE-2021-23440: set-value prototype pollution with non-string path components](https://junglewise.ai/threats/cve-2021-23440-set-value-prototype-pollution-with-non-string-path-components) (low, CVSS 3.1, published 13 Sep 2021)
- [CVE-2014-10065: remarkable content injection via unescaped javascript protocol](https://junglewise.ai/threats/cve-2014-10065-remarkable-content-injection-via-unescaped-javascript-protocol) (info, published 31 Aug 2020)
- [CVE-2019-20149: kind-of validation bypass via malicious constructor property](https://junglewise.ai/threats/cve-2019-20149-kind-of-validation-bypass-via-malicious-constructor-property) (low, CVSS 3.1, published 31 Mar 2020)
- [CVE-2019-12043: Remarkable Cross-site Scripting via unprintable characters in URLs](https://junglewise.ai/threats/cve-2019-12043-remarkable-cross-site-scripting-via-unprintable-characters-in) (low, CVSS 3, published 29 May 2019)
- [CVE-2017-16028: randomatic cryptographically weak PRNG](https://junglewise.ai/threats/cve-2017-16028-randomatic-cryptographically-weak-prng) (low, CVSS 3, published 9 Oct 2018)
- [CVE-2018-3719: mixin-deep prototype pollution via merging functions](https://junglewise.ai/threats/cve-2018-3719-mixin-deep-prototype-pollution-via-merging-functions) (low, CVSS 3.1, published 26 Jul 2018)

## Most severe Jonschlinkert vulnerabilities

- [CVE-2026-78847: gray-matter arbitrary code execution via eval in JavaScript engine](https://junglewise.ai/threats/cve-2026-78847-an-issue-in-gray-matter-all-versions-verified-on-4-0-3-allows-the) (critical, CVSS 9.8, published 21 Sep 2026)
- [CVE-2025-57328: jonschlinkert toggle-array prototype pollution in enable and disable functions](https://junglewise.ai/threats/cve-2025-57328-jonschlinkert-toggle-array-prototype-pollution-in-enable-and) (medium, CVSS 4, published 24 Sep 2025)
- [CVE-2019-20149: kind-of validation bypass via malicious constructor property](https://junglewise.ai/threats/cve-2019-20149-kind-of-validation-bypass-via-malicious-constructor-property) (low, CVSS 3.1, published 31 Mar 2020)
- [CVE-2021-23440: set-value prototype pollution with non-string path components](https://junglewise.ai/threats/cve-2021-23440-set-value-prototype-pollution-with-non-string-path-components) (low, CVSS 3.1, published 13 Sep 2021)
- [CVE-2023-26115: word-wrap regular expression denial of service](https://junglewise.ai/threats/cve-2023-26115-word-wrap-regular-expression-denial-of-service) (low, CVSS 3.1, published 22 Jun 2023)
- [CVE-2025-25975: parse-git-config prototype pollution via expandKeys](https://junglewise.ai/threats/cve-2025-25975-parse-git-config-prototype-pollution-via-expandkeys) (low, CVSS 3.1, published 12 Mar 2025)
- [CVE-2025-3197: expand-object prototype pollution in expand() function](https://junglewise.ai/threats/cve-2025-3197-expand-object-prototype-pollution-in-expand-function) (low, CVSS 3.1, published 4 Apr 2025)
- [CVE-2018-3719: mixin-deep prototype pollution via merging functions](https://junglewise.ai/threats/cve-2018-3719-mixin-deep-prototype-pollution-via-merging-functions) (low, CVSS 3.1, published 26 Jul 2018)
- [CVE-2017-16028: randomatic cryptographically weak PRNG](https://junglewise.ai/threats/cve-2017-16028-randomatic-cryptographically-weak-prng) (low, CVSS 3, published 9 Oct 2018)
- [CVE-2019-12043: Remarkable Cross-site Scripting via unprintable characters in URLs](https://junglewise.ai/threats/cve-2019-12043-remarkable-cross-site-scripting-via-unprintable-characters-in) (low, CVSS 3, published 29 May 2019)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before. 0 critical against 1.

| 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 | 1 | 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, "Jonschlinkert vulnerabilities", https://junglewise.ai/threats/vendors/jonschlinkert, 9 November 2026.