# jsonwebtoken (npm) vulnerabilities

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

Junglewise Threat Intelligence has tracked 5 vulnerabilities in jsonwebtoken (npm): 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-2022-23541, was published on 22 December 2022.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About jsonwebtoken (npm)

jsonwebtoken is a JavaScript library for creating and verifying JSON Web Tokens for authentication.

## Latest jsonwebtoken (npm) vulnerabilities

- [CVE-2022-23541: jsonwebtoken insecure key retrieval leading to token forgery](https://junglewise.ai/threats/cve-2022-23541-jsonwebtoken-insecure-key-retrieval-leading-to-token-forgery) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2022-23540: Auth0 jsonwebtoken signature validation bypass via default algorithm](https://junglewise.ai/threats/cve-2022-23540-auth0-jsonwebtoken-signature-validation-bypass-via-default) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2022-23539: jsonwebtoken unrestricted key type in signature verification](https://junglewise.ai/threats/cve-2022-23539-jsonwebtoken-unrestricted-key-type-in-signature-verification) (low, CVSS 3.1, published 22 Dec 2022)
- [Auth0 jsonwebtoken insecure input validation in jwt.verify](https://junglewise.ai/threats/auth0-jsonwebtoken-insecure-input-validation-in-jwt-verify-d6e47a79) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2015-9235: Auth0 jsonwebtoken verification bypass](https://junglewise.ai/threats/cve-2015-9235-auth0-jsonwebtoken-verification-bypass) (info, published 9 Oct 2018)

## Most severe jsonwebtoken (npm) vulnerabilities

- [CVE-2022-23541: jsonwebtoken insecure key retrieval leading to token forgery](https://junglewise.ai/threats/cve-2022-23541-jsonwebtoken-insecure-key-retrieval-leading-to-token-forgery) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2022-23540: Auth0 jsonwebtoken signature validation bypass via default algorithm](https://junglewise.ai/threats/cve-2022-23540-auth0-jsonwebtoken-signature-validation-bypass-via-default) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2022-23539: jsonwebtoken unrestricted key type in signature verification](https://junglewise.ai/threats/cve-2022-23539-jsonwebtoken-unrestricted-key-type-in-signature-verification) (low, CVSS 3.1, published 22 Dec 2022)
- [Auth0 jsonwebtoken insecure input validation in jwt.verify](https://junglewise.ai/threats/auth0-jsonwebtoken-insecure-input-validation-in-jwt-verify-d6e47a79) (low, CVSS 3.1, published 22 Dec 2022)
- [CVE-2015-9235: Auth0 jsonwebtoken verification bypass](https://junglewise.ai/threats/cve-2015-9235-auth0-jsonwebtoken-verification-bypass) (info, published 9 Oct 2018)

## 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 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities

## 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, "jsonwebtoken (npm) vulnerabilities", https://junglewise.ai/threats/technologies/jsonwebtoken, 13 November 2026.