Vendor
Matrix vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 7 vulnerabilities in Matrix: 1 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, vodozemac degraded secret zeroization in cryptographic libraries, was published on 6 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.
- Last 7 days
- 1
- Last 90 days
- 2
- Critical, all time
- 0
- Exploited in the wild
- 0
About Matrix
Open standard for secure, decentralized real-time communication.
Latest Matrix vulnerabilities
- vodozemac degraded secret zeroization in cryptographic librariesinfo
- CVE-2026-45056: Matrix Rust SDK sender spoofing in Olm-encrypted to-device messagesmediumCVSS 4EPSS 0.3%
- CVE-2025-66622: RUSTSEC-2025-0135 - matrix-sdk-base: Denial of service due to custom `m.room.join_rules` eventshighCVSS 7.5EPSS 0.4%
- CVE-2025-27146: Matrix IRC Bridge command injection in puppeted userlowCVSS 3.1EPSS 0.4%
- CVE-2023-38700: Matrix AppService IRC information disclosure in event handlinglowCVSS 3.1EPSS 0.6%
- CVE-2023-28103: Matrix matrix-react-sdk prototype pollutionlowCVSS 3.1EPSS 0.7%
- CVE-2022-39251: Matrix matrix-js-sdk user spoofing via protocol confusionlowCVSS 3.1EPSS 1.0%
Most severe Matrix vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2025-66622: RUSTSEC-2025-0135 - matrix-sdk-base: Denial of service due to custom `m.room.join_rules` eventshighCVSS 7.5EPSS 0.4%
- CVE-2026-45056: Matrix Rust SDK sender spoofing in Olm-encrypted to-device messagesmediumCVSS 4EPSS 0.3%
- CVE-2022-39251: Matrix matrix-js-sdk user spoofing via protocol confusionlowCVSS 3.1EPSS 1.0%
- CVE-2023-28103: Matrix matrix-react-sdk prototype pollutionlowCVSS 3.1EPSS 0.7%
- CVE-2023-38700: Matrix AppService IRC information disclosure in event handlinglowCVSS 3.1EPSS 0.6%
- CVE-2025-27146: Matrix IRC Bridge command injection in puppeted userlowCVSS 3.1EPSS 0.4%
- vodozemac degraded secret zeroization in cryptographic librariesinfo
Vulnerabilities per week
1 vulnerability in the last four weeks, up from none in the four before. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 1 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 0 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 1 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many Matrix vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/vendors/matrix)<a href="https://junglewise.ai/threats/vendors/matrix"><img src="https://junglewise.ai/threats/vendors/matrix/badge.svg" alt="Matrix vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/vendors/matrix.json, and this page as text at https://junglewise.ai/threats/vendors/matrix.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Matrix vulnerabilities", https://junglewise.ai/threats/vendors/matrix, 9 November 2026.