# Janl Json-Pointer vulnerabilities

Source: https://junglewise.ai/threats/technologies/json-pointer  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/json-pointer.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Janl Json-Pointer: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2022-4742, was published on 26 December 2022.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (0 critical, 0 exploited in the wild)

## About Janl Json-Pointer

JavaScript library for resolving and manipulating JSON Pointer references according to RFC 6901.

## Latest Janl Json-Pointer vulnerabilities

- [CVE-2022-4742: json-pointer prototype pollution](https://junglewise.ai/threats/cve-2022-4742-json-pointer-prototype-pollution) (low, CVSS 3.1, published 26 Dec 2022)
- [CVE-2021-23807: janl node-jsonpointer prototype pollution via type confusion](https://junglewise.ai/threats/cve-2021-23807-janl-node-jsonpointer-prototype-pollution-via-type-confusion) (low, CVSS 3.1, published 8 Nov 2021)
- [CVE-2020-7709: json-pointer prototype pollution](https://junglewise.ai/threats/cve-2020-7709-json-pointer-prototype-pollution) (low, CVSS 3.1, published 10 May 2021)

## Most severe Janl Json-Pointer vulnerabilities

- [CVE-2020-7709: json-pointer prototype pollution](https://junglewise.ai/threats/cve-2020-7709-json-pointer-prototype-pollution) (low, CVSS 3.1, published 10 May 2021)
- [CVE-2022-4742: json-pointer prototype pollution](https://junglewise.ai/threats/cve-2022-4742-json-pointer-prototype-pollution) (low, CVSS 3.1, published 26 Dec 2022)
- [CVE-2021-23807: janl node-jsonpointer prototype pollution via type confusion](https://junglewise.ai/threats/cve-2021-23807-janl-node-jsonpointer-prototype-pollution-via-type-confusion) (low, CVSS 3.1, published 8 Nov 2021)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 0 | 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, "Janl Json-Pointer vulnerabilities", https://junglewise.ai/threats/technologies/json-pointer, 10 November 2026.