# matrix-js-sdk (npm) vulnerabilities

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

Junglewise Threat Intelligence has tracked 12 vulnerabilities in matrix-js-sdk (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-2025-59160, was published on 16 September 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 12 (0 critical, 0 exploited in the wild)

## About matrix-js-sdk (npm)

JavaScript SDK for Matrix protocol enabling real-time communication in client applications.

## Latest matrix-js-sdk (npm) vulnerabilities

- [CVE-2025-59160: matrix-js-sdk insufficient validation in room upgrade handling](https://junglewise.ai/threats/cve-2025-59160-matrix-js-sdk-insufficient-validation-in-room-upgrade-handling) (medium, CVSS 4, published 16 Sep 2025)
- [CVE-2024-50336: matrix-js-sdk MXC URI path traversal](https://junglewise.ai/threats/cve-2024-50336-matrix-js-sdk-mxc-uri-path-traversal) (medium, CVSS 4, published 12 Nov 2024)
- [CVE-2024-47080: Matrix JavaScript SDK key history sharing vulnerability](https://junglewise.ai/threats/cve-2024-47080-matrix-javascript-sdk-key-history-sharing-vulnerability) (medium, CVSS 4, published 15 Oct 2024)
- [CVE-2024-42369: matrix-js-sdk infinite recursion in room upgrade history](https://junglewise.ai/threats/cve-2024-42369-matrix-js-sdk-infinite-recursion-in-room-upgrade-history) (low, CVSS 3.1, published 20 Aug 2024)
- [CVE-2023-29529: matrix-js-sdk unauthorized eavesdropping in group calls](https://junglewise.ai/threats/cve-2023-29529-matrix-js-sdk-unauthorized-eavesdropping-in-group-calls) (low, CVSS 3.1, published 14 Apr 2023)
- [CVE-2023-28427: matrix-js-sdk prototype pollution (part 2)](https://junglewise.ai/threats/cve-2023-28427-matrix-js-sdk-prototype-pollution-part-2) (low, CVSS 3.1, published 30 Mar 2023)
- [CVE-2022-36059: matrix-js-sdk prototype pollution in event processing](https://junglewise.ai/threats/cve-2022-36059-matrix-js-sdk-prototype-pollution-in-event-processing) (low, CVSS 3.1, published 28 Mar 2023)
- [CVE-2022-39250: Matrix.js SDK user impersonation in SAS verification](https://junglewise.ai/threats/cve-2022-39250-matrix-js-sdk-user-impersonation-in-sas-verification) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-39251: Matrix matrix-js-sdk user spoofing via protocol confusion](https://junglewise.ai/threats/cve-2022-39251-matrix-matrix-js-sdk-user-spoofing-via-protocol-confusion) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-39249: matrix-js-sdk message impersonation via permissive key forwarding](https://junglewise.ai/threats/cve-2022-39249-matrix-js-sdk-message-impersonation-via-permissive-key-forwarding) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-39236: matrix-js-sdk improper beacon event handling causing availability issues](https://junglewise.ai/threats/cve-2022-39236-matrix-js-sdk-improper-beacon-event-handling-causing-availability) (low, CVSS 3.1, published 29 Sep 2022)
- [CVE-2021-40823: Matrix matrix-js-sdk E2EE room key disclosure to homeservers](https://junglewise.ai/threats/cve-2021-40823-matrix-matrix-js-sdk-e2ee-room-key-disclosure-to-homeservers) (low, CVSS 3.1, published 14 Sep 2021)

## Most severe matrix-js-sdk (npm) vulnerabilities

- [CVE-2024-50336: matrix-js-sdk MXC URI path traversal](https://junglewise.ai/threats/cve-2024-50336-matrix-js-sdk-mxc-uri-path-traversal) (medium, CVSS 4, published 12 Nov 2024)
- [CVE-2024-47080: Matrix JavaScript SDK key history sharing vulnerability](https://junglewise.ai/threats/cve-2024-47080-matrix-javascript-sdk-key-history-sharing-vulnerability) (medium, CVSS 4, published 15 Oct 2024)
- [CVE-2025-59160: matrix-js-sdk insufficient validation in room upgrade handling](https://junglewise.ai/threats/cve-2025-59160-matrix-js-sdk-insufficient-validation-in-room-upgrade-handling) (medium, CVSS 4, published 16 Sep 2025)
- [CVE-2023-28427: matrix-js-sdk prototype pollution (part 2)](https://junglewise.ai/threats/cve-2023-28427-matrix-js-sdk-prototype-pollution-part-2) (low, CVSS 3.1, published 30 Mar 2023)
- [CVE-2022-39236: matrix-js-sdk improper beacon event handling causing availability issues](https://junglewise.ai/threats/cve-2022-39236-matrix-js-sdk-improper-beacon-event-handling-causing-availability) (low, CVSS 3.1, published 29 Sep 2022)
- [CVE-2022-39249: matrix-js-sdk message impersonation via permissive key forwarding](https://junglewise.ai/threats/cve-2022-39249-matrix-js-sdk-message-impersonation-via-permissive-key-forwarding) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-39250: Matrix.js SDK user impersonation in SAS verification](https://junglewise.ai/threats/cve-2022-39250-matrix-js-sdk-user-impersonation-in-sas-verification) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-39251: Matrix matrix-js-sdk user spoofing via protocol confusion](https://junglewise.ai/threats/cve-2022-39251-matrix-matrix-js-sdk-user-spoofing-via-protocol-confusion) (low, CVSS 3.1, published 30 Sep 2022)
- [CVE-2022-36059: matrix-js-sdk prototype pollution in event processing](https://junglewise.ai/threats/cve-2022-36059-matrix-js-sdk-prototype-pollution-in-event-processing) (low, CVSS 3.1, published 28 Mar 2023)
- [CVE-2023-29529: matrix-js-sdk unauthorized eavesdropping in group calls](https://junglewise.ai/threats/cve-2023-29529-matrix-js-sdk-unauthorized-eavesdropping-in-group-calls) (low, CVSS 3.1, published 14 Apr 2023)

## 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, "matrix-js-sdk (npm) vulnerabilities", https://junglewise.ai/threats/technologies/matrix-js-sdk, 13 November 2026.